18897945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 33623424

約数和(自身を除く): 14725479

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2161, 2915, 6483, 8745, 10805, 23771, 32415, 71313, 114533, 118855, 343599, 356565, 572665, 1259863, 1717995, 3779589, 6299315, 18897945]

約数ペア:

[(1, 18897945), (3, 6299315), (5, 3779589), (11, 1717995), (15, 1259863), (33, 572665), (53, 356565), (55, 343599), (159, 118855), (165, 114533), (265, 71313), (583, 32415), (795, 23771), (1749, 10805), (2161, 8745), (2915, 6483)]