19649040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 66662400

約数和(自身を除く): 47013360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 139, 152, 155, 186, 190, 228, 240, 248, 278, 285, 304, 310, 372, 380, 417, 456, 465, 496, 556, 570, 589, 620, 695, 744, 760, 834, 912, 930, 1112, 1140, 1178, 1240, 1390, 1488, 1520, 1668, 1767, 1860, 2085, 2224, 2280, 2356, 2480, 2641, 2780, 2945, 3336, 3534, 3720, 4170, 4309, 4560, 4712, 5282, 5560, 5890, 6672, 7068, 7440, 7923, 8340, 8618, 8835, 9424, 10564, 11120, 11780, 12927, 13205, 14136, 15846, 16680, 17236, 17670, 21128, 21545, 23560, 25854, 26410, 28272, 31692, 33360, 34472, 35340, 39615, 42256, 43090, 47120, 51708, 52820, 63384, 64635, 68944, 70680, 79230, 81871, 86180, 103416, 105640, 126768, 129270, 141360, 158460, 163742, 172360, 206832, 211280, 245613, 258540, 316920, 327484, 344720, 409355, 491226, 517080, 633840, 654968, 818710, 982452, 1034160, 1228065, 1309936, 1637420, 1964904, 2456130, 3274840, 3929808, 4912260, 6549680, 9824520, 19649040]

約数ペア:

[(1, 19649040), (2, 9824520), (3, 6549680), (4, 4912260), (5, 3929808), (6, 3274840), (8, 2456130), (10, 1964904), (12, 1637420), (15, 1309936), (16, 1228065), (19, 1034160), (20, 982452), (24, 818710), (30, 654968), (31, 633840), (38, 517080), (40, 491226), (48, 409355), (57, 344720), (60, 327484), (62, 316920), (76, 258540), (80, 245613), (93, 211280), (95, 206832), (114, 172360), (120, 163742), (124, 158460), (139, 141360), (152, 129270), (155, 126768), (186, 105640), (190, 103416), (228, 86180), (240, 81871), (248, 79230), (278, 70680), (285, 68944), (304, 64635), (310, 63384), (372, 52820), (380, 51708), (417, 47120), (456, 43090), (465, 42256), (496, 39615), (556, 35340), (570, 34472), (589, 33360), (620, 31692), (695, 28272), (744, 26410), (760, 25854), (834, 23560), (912, 21545), (930, 21128), (1112, 17670), (1140, 17236), (1178, 16680), (1240, 15846), (1390, 14136), (1488, 13205), (1520, 12927), (1668, 11780), (1767, 11120), (1860, 10564), (2085, 9424), (2224, 8835), (2280, 8618), (2356, 8340), (2480, 7923), (2641, 7440), (2780, 7068), (2945, 6672), (3336, 5890), (3534, 5560), (3720, 5282), (4170, 4712), (4309, 4560)]