18401370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1679

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 30829350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1627, 1885, 2262, 3254, 3770, 4881, 5655, 8135, 9762, 11310, 16270, 21151, 24405, 42302, 47183, 48810, 63453, 94366, 105755, 126906, 141549, 211510, 235915, 283098, 317265, 471830, 613379, 634530, 707745, 1226758, 1415490, 1840137, 3066895, 3680274, 6133790, 9200685, 18401370]

約数ペア:

[(1, 18401370), (2, 9200685), (3, 6133790), (5, 3680274), (6, 3066895), (10, 1840137), (13, 1415490), (15, 1226758), (26, 707745), (29, 634530), (30, 613379), (39, 471830), (58, 317265), (65, 283098), (78, 235915), (87, 211510), (130, 141549), (145, 126906), (174, 105755), (195, 94366), (290, 63453), (377, 48810), (390, 47183), (435, 42302), (754, 24405), (870, 21151), (1131, 16270), (1627, 11310), (1885, 9762), (2262, 8135), (3254, 5655), (3770, 4881)]