18644870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 34587648

約数和(自身を除く): 15942778

約数列:

[1, 2, 5, 10, 53, 106, 127, 254, 265, 277, 530, 554, 635, 1270, 1385, 2770, 6731, 13462, 14681, 29362, 33655, 35179, 67310, 70358, 73405, 146810, 175895, 351790, 1864487, 3728974, 9322435, 18644870]

約数ペア:

[(1, 18644870), (2, 9322435), (5, 3728974), (10, 1864487), (53, 351790), (106, 175895), (127, 146810), (254, 73405), (265, 70358), (277, 67310), (530, 35179), (554, 33655), (635, 29362), (1270, 14681), (1385, 13462), (2770, 6731)]