19187900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11287}}^1$

素因数の和:11318

約数の個数: 36

約数和(自身を含む): 44090928

約数和(自身を除く): 24903028

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11287, 22574, 45148, 56435, 112870, 191879, 225740, 282175, 383758, 564350, 767516, 959395, 1128700, 1918790, 3837580, 4796975, 9593950, 19187900]

約数ペア:

[(1, 19187900), (2, 9593950), (4, 4796975), (5, 3837580), (10, 1918790), (17, 1128700), (20, 959395), (25, 767516), (34, 564350), (50, 383758), (68, 282175), (85, 225740), (100, 191879), (170, 112870), (340, 56435), (425, 45148), (850, 22574), (1700, 11287)]