18797486

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 24

約数和(自身を含む): 29928360

約数和(自身を除く): 11130874

約数列:

[1, 2, 23, 46, 109, 163, 218, 326, 529, 1058, 2507, 3749, 5014, 7498, 17767, 35534, 57661, 86227, 115322, 172454, 408641, 817282, 9398743, 18797486]

約数ペア:

[(1, 18797486), (2, 9398743), (23, 817282), (46, 408641), (109, 172454), (163, 115322), (218, 86227), (326, 57661), (529, 35534), (1058, 17767), (2507, 7498), (3749, 5014)]