19862480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22571}}^1$

素因数の和:22595

約数の個数: 40

約数和(自身を含む): 50380704

約数和(自身を除く): 30518224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22571, 45142, 90284, 112855, 180568, 225710, 248281, 361136, 451420, 496562, 902840, 993124, 1241405, 1805680, 1986248, 2482810, 3972496, 4965620, 9931240, 19862480]

約数ペア:

[(1, 19862480), (2, 9931240), (4, 4965620), (5, 3972496), (8, 2482810), (10, 1986248), (11, 1805680), (16, 1241405), (20, 993124), (22, 902840), (40, 496562), (44, 451420), (55, 361136), (80, 248281), (88, 225710), (110, 180568), (176, 112855), (220, 90284), (440, 45142), (880, 22571)]