18767920

素因数分解:

$2^4\times 5^1\times {\mathrm{234599}}^1$

素因数の和:234612

約数の個数: 20

約数和(自身を含む): 43635600

約数和(自身を除く): 24867680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234599, 469198, 938396, 1172995, 1876792, 2345990, 3753584, 4691980, 9383960, 18767920]

約数ペア:

[(1, 18767920), (2, 9383960), (4, 4691980), (5, 3753584), (8, 2345990), (10, 1876792), (16, 1172995), (20, 938396), (40, 469198), (80, 234599)]