2018870810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{73121}}^1$

素因数の和:73390

約数の個数: 32

約数和(自身を含む): 3980176704

約数和(自身を除く): 1961305894

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1255, 2510, 2761, 5522, 13805, 27610, 73121, 146242, 365605, 731210, 804331, 1608662, 4021655, 8043310, 18353371, 36706742, 91766855, 183533710, 201887081, 403774162, 1009435405, 2018870810]

約数ペア:

[(1, 2018870810), (2, 1009435405), (5, 403774162), (10, 201887081), (11, 183533710), (22, 91766855), (55, 36706742), (110, 18353371), (251, 8043310), (502, 4021655), (1255, 1608662), (2510, 804331), (2761, 731210), (5522, 365605), (13805, 146242), (27610, 73121)]