19542160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 50621760

約数和(自身を除く): 31079600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 419, 424, 440, 530, 583, 838, 848, 880, 1060, 1166, 1676, 2095, 2120, 2332, 2915, 3352, 4190, 4240, 4609, 4664, 5830, 6704, 8380, 9218, 9328, 11660, 16760, 18436, 22207, 23045, 23320, 33520, 36872, 44414, 46090, 46640, 73744, 88828, 92180, 111035, 177656, 184360, 222070, 244277, 355312, 368720, 444140, 488554, 888280, 977108, 1221385, 1776560, 1954216, 2442770, 3908432, 4885540, 9771080, 19542160]

約数ペア:

[(1, 19542160), (2, 9771080), (4, 4885540), (5, 3908432), (8, 2442770), (10, 1954216), (11, 1776560), (16, 1221385), (20, 977108), (22, 888280), (40, 488554), (44, 444140), (53, 368720), (55, 355312), (80, 244277), (88, 222070), (106, 184360), (110, 177656), (176, 111035), (212, 92180), (220, 88828), (265, 73744), (419, 46640), (424, 46090), (440, 44414), (530, 36872), (583, 33520), (838, 23320), (848, 23045), (880, 22207), (1060, 18436), (1166, 16760), (1676, 11660), (2095, 9328), (2120, 9218), (2332, 8380), (2915, 6704), (3352, 5830), (4190, 4664), (4240, 4609)]