18111560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23831}}^1$

素因数の和:23861

約数の個数: 32

約数和(自身を含む): 42897600

約数和(自身を除く): 24786040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23831, 47662, 95324, 119155, 190648, 238310, 452789, 476620, 905578, 953240, 1811156, 2263945, 3622312, 4527890, 9055780, 18111560]

約数ペア:

[(1, 18111560), (2, 9055780), (4, 4527890), (5, 3622312), (8, 2263945), (10, 1811156), (19, 953240), (20, 905578), (38, 476620), (40, 452789), (76, 238310), (95, 190648), (152, 119155), (190, 95324), (380, 47662), (760, 23831)]