18905770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6323}}^1$

素因数の和:6366

約数の個数: 32

約数和(自身を含む): 38247552

約数和(自身を除く): 19341782

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6323, 12646, 31615, 63230, 82199, 145429, 164398, 290858, 410995, 727145, 821990, 1454290, 1890577, 3781154, 9452885, 18905770]

約数ペア:

[(1, 18905770), (2, 9452885), (5, 3781154), (10, 1890577), (13, 1454290), (23, 821990), (26, 727145), (46, 410995), (65, 290858), (115, 164398), (130, 145429), (230, 82199), (299, 63230), (598, 31615), (1495, 12646), (2990, 6323)]