18880380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104891}}^1$

素因数の和:104906

約数の個数: 36

約数和(自身を含む): 57271032

約数和(自身を除く): 38390652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104891, 209782, 314673, 419564, 524455, 629346, 944019, 1048910, 1258692, 1573365, 1888038, 2097820, 3146730, 3776076, 4720095, 6293460, 9440190, 18880380]

約数ペア:

[(1, 18880380), (2, 9440190), (3, 6293460), (4, 4720095), (5, 3776076), (6, 3146730), (9, 2097820), (10, 1888038), (12, 1573365), (15, 1258692), (18, 1048910), (20, 944019), (30, 629346), (36, 524455), (45, 419564), (60, 314673), (90, 209782), (180, 104891)]