18047120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 160

約数和(自身を含む): 53829888

約数和(自身を除く): 35782768

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 67, 70, 74, 80, 91, 104, 112, 130, 134, 140, 148, 182, 185, 208, 259, 260, 268, 280, 296, 335, 364, 370, 455, 469, 481, 518, 520, 536, 560, 592, 670, 728, 740, 871, 910, 938, 962, 1036, 1040, 1072, 1295, 1340, 1456, 1480, 1742, 1820, 1876, 1924, 2072, 2345, 2405, 2479, 2590, 2680, 2960, 3367, 3484, 3640, 3752, 3848, 4144, 4355, 4690, 4810, 4958, 5180, 5360, 6097, 6734, 6968, 7280, 7504, 7696, 8710, 9380, 9620, 9916, 10360, 12194, 12395, 13468, 13936, 16835, 17353, 17420, 18760, 19240, 19832, 20720, 24388, 24790, 26936, 30485, 32227, 33670, 34706, 34840, 37520, 38480, 39664, 48776, 49580, 53872, 60970, 64454, 67340, 69412, 69680, 86765, 97552, 99160, 121940, 128908, 134680, 138824, 161135, 173530, 198320, 225589, 243880, 257816, 269360, 277648, 322270, 347060, 451178, 487760, 515632, 644540, 694120, 902356, 1127945, 1289080, 1388240, 1804712, 2255890, 2578160, 3609424, 4511780, 9023560, 18047120]

約数ペア:

[(1, 18047120), (2, 9023560), (4, 4511780), (5, 3609424), (7, 2578160), (8, 2255890), (10, 1804712), (13, 1388240), (14, 1289080), (16, 1127945), (20, 902356), (26, 694120), (28, 644540), (35, 515632), (37, 487760), (40, 451178), (52, 347060), (56, 322270), (65, 277648), (67, 269360), (70, 257816), (74, 243880), (80, 225589), (91, 198320), (104, 173530), (112, 161135), (130, 138824), (134, 134680), (140, 128908), (148, 121940), (182, 99160), (185, 97552), (208, 86765), (259, 69680), (260, 69412), (268, 67340), (280, 64454), (296, 60970), (335, 53872), (364, 49580), (370, 48776), (455, 39664), (469, 38480), (481, 37520), (518, 34840), (520, 34706), (536, 33670), (560, 32227), (592, 30485), (670, 26936), (728, 24790), (740, 24388), (871, 20720), (910, 19832), (938, 19240), (962, 18760), (1036, 17420), (1040, 17353), (1072, 16835), (1295, 13936), (1340, 13468), (1456, 12395), (1480, 12194), (1742, 10360), (1820, 9916), (1876, 9620), (1924, 9380), (2072, 8710), (2345, 7696), (2405, 7504), (2479, 7280), (2590, 6968), (2680, 6734), (2960, 6097), (3367, 5360), (3484, 5180), (3640, 4958), (3752, 4810), (3848, 4690), (4144, 4355)]