18961660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41221}}^1$

素因数の和:41253

約数の個数: 24

約数和(自身を含む): 41551776

約数和(自身を除く): 22590116

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41221, 82442, 164884, 206105, 412210, 824420, 948083, 1896166, 3792332, 4740415, 9480830, 18961660]

約数ペア:

[(1, 18961660), (2, 9480830), (4, 4740415), (5, 3792332), (10, 1896166), (20, 948083), (23, 824420), (46, 412210), (92, 206105), (115, 164884), (230, 82442), (460, 41221)]