18750290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6271}}^1$

素因数の和:6314

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 19182766

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6271, 12542, 31355, 62710, 81523, 144233, 163046, 288466, 407615, 721165, 815230, 1442330, 1875029, 3750058, 9375145, 18750290]

約数ペア:

[(1, 18750290), (2, 9375145), (5, 3750058), (10, 1875029), (13, 1442330), (23, 815230), (26, 721165), (46, 407615), (65, 288466), (115, 163046), (130, 144233), (230, 81523), (299, 62710), (598, 31355), (1495, 12542), (2990, 6271)]