17806090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 15786230

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 809, 1618, 2201, 4045, 4402, 8090, 11005, 22010, 25079, 50158, 57439, 114878, 125395, 250790, 287195, 574390, 1780609, 3561218, 8903045, 17806090]

約数ペア:

[(1, 17806090), (2, 8903045), (5, 3561218), (10, 1780609), (31, 574390), (62, 287195), (71, 250790), (142, 125395), (155, 114878), (310, 57439), (355, 50158), (710, 25079), (809, 22010), (1618, 11005), (2201, 8090), (4045, 4402)]