18449960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14879}}^1$

素因数の和:14921

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 24404440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14879, 29758, 59516, 74395, 119032, 148790, 297580, 461249, 595160, 922498, 1844996, 2306245, 3689992, 4612490, 9224980, 18449960]

約数ペア:

[(1, 18449960), (2, 9224980), (4, 4612490), (5, 3689992), (8, 2306245), (10, 1844996), (20, 922498), (31, 595160), (40, 461249), (62, 297580), (124, 148790), (155, 119032), (248, 74395), (310, 59516), (620, 29758), (1240, 14879)]