19539520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 224

約数和(自身を含む): 63495936

約数和(自身を除く): 43956416

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 61, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 122, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 244, 260, 280, 286, 305, 308, 320, 352, 364, 385, 416, 427, 440, 448, 455, 488, 520, 560, 572, 610, 616, 671, 704, 715, 728, 770, 793, 832, 854, 880, 910, 976, 1001, 1040, 1120, 1144, 1220, 1232, 1342, 1430, 1456, 1540, 1586, 1708, 1760, 1820, 1952, 2002, 2080, 2135, 2240, 2288, 2440, 2464, 2684, 2860, 2912, 3080, 3172, 3355, 3416, 3520, 3640, 3904, 3965, 4004, 4160, 4270, 4576, 4697, 4880, 4928, 5005, 5368, 5551, 5720, 5824, 6160, 6344, 6710, 6832, 7280, 7930, 8008, 8540, 8723, 9152, 9394, 9760, 10010, 10736, 11102, 11440, 12320, 12688, 13420, 13664, 14560, 15860, 16016, 17080, 17446, 18788, 19520, 20020, 21472, 22204, 22880, 23485, 24640, 25376, 26840, 27328, 27755, 29120, 31720, 32032, 34160, 34892, 37576, 40040, 42944, 43615, 44408, 45760, 46970, 50752, 53680, 55510, 61061, 63440, 64064, 68320, 69784, 75152, 80080, 87230, 88816, 93940, 107360, 111020, 122122, 126880, 136640, 139568, 150304, 160160, 174460, 177632, 187880, 214720, 222040, 244244, 253760, 279136, 300608, 305305, 320320, 348920, 355264, 375760, 444080, 488488, 558272, 610610, 697840, 751520, 888160, 976976, 1221220, 1395680, 1503040, 1776320, 1953952, 2442440, 2791360, 3907904, 4884880, 9769760, 19539520]

約数ペア:

[(1, 19539520), (2, 9769760), (4, 4884880), (5, 3907904), (7, 2791360), (8, 2442440), (10, 1953952), (11, 1776320), (13, 1503040), (14, 1395680), (16, 1221220), (20, 976976), (22, 888160), (26, 751520), (28, 697840), (32, 610610), (35, 558272), (40, 488488), (44, 444080), (52, 375760), (55, 355264), (56, 348920), (61, 320320), (64, 305305), (65, 300608), (70, 279136), (77, 253760), (80, 244244), (88, 222040), (91, 214720), (104, 187880), (110, 177632), (112, 174460), (122, 160160), (130, 150304), (140, 139568), (143, 136640), (154, 126880), (160, 122122), (176, 111020), (182, 107360), (208, 93940), (220, 88816), (224, 87230), (244, 80080), (260, 75152), (280, 69784), (286, 68320), (305, 64064), (308, 63440), (320, 61061), (352, 55510), (364, 53680), (385, 50752), (416, 46970), (427, 45760), (440, 44408), (448, 43615), (455, 42944), (488, 40040), (520, 37576), (560, 34892), (572, 34160), (610, 32032), (616, 31720), (671, 29120), (704, 27755), (715, 27328), (728, 26840), (770, 25376), (793, 24640), (832, 23485), (854, 22880), (880, 22204), (910, 21472), (976, 20020), (1001, 19520), (1040, 18788), (1120, 17446), (1144, 17080), (1220, 16016), (1232, 15860), (1342, 14560), (1430, 13664), (1456, 13420), (1540, 12688), (1586, 12320), (1708, 11440), (1760, 11102), (1820, 10736), (1952, 10010), (2002, 9760), (2080, 9394), (2135, 9152), (2240, 8723), (2288, 8540), (2440, 8008), (2464, 7930), (2684, 7280), (2860, 6832), (2912, 6710), (3080, 6344), (3172, 6160), (3355, 5824), (3416, 5720), (3520, 5551), (3640, 5368), (3904, 5005), (3965, 4928), (4004, 4880), (4160, 4697), (4270, 4576)]