1811638790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{38603}}^1$

素因数の和:38661

約数の個数: 48

約数和(自身を含む): 3706447248

約数和(自身を除く): 1894808458

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 1235, 1805, 2470, 3610, 4693, 9386, 23465, 38603, 46930, 77206, 193015, 386030, 501839, 733457, 1003678, 1466914, 2509195, 3667285, 5018390, 7334570, 9534941, 13935683, 19069882, 27871366, 47674705, 69678415, 95349410, 139356830, 181163879, 362327758, 905819395, 1811638790]

約数ペア:

[(1, 1811638790), (2, 905819395), (5, 362327758), (10, 181163879), (13, 139356830), (19, 95349410), (26, 69678415), (38, 47674705), (65, 27871366), (95, 19069882), (130, 13935683), (190, 9534941), (247, 7334570), (361, 5018390), (494, 3667285), (722, 2509195), (1235, 1466914), (1805, 1003678), (2470, 733457), (3610, 501839), (4693, 386030), (9386, 193015), (23465, 77206), (38603, 46930)]