18686052008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1003763}}^1$

素因数の和:1003961

約数の個数: 32

約数和(自身を含む): 37942279200

約数和(自身を除く): 19256227192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 1432, 2327, 4654, 9308, 18616, 1003763, 2007526, 4015052, 8030104, 13048919, 26097838, 52195676, 104391352, 179673577, 359347154, 718694308, 1437388616, 2335756501, 4671513002, 9343026004, 18686052008]

約数ペア:

[(1, 18686052008), (2, 9343026004), (4, 4671513002), (8, 2335756501), (13, 1437388616), (26, 718694308), (52, 359347154), (104, 179673577), (179, 104391352), (358, 52195676), (716, 26097838), (1432, 13048919), (2327, 8030104), (4654, 4015052), (9308, 2007526), (18616, 1003763)]