18808530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1663}}^1$

素因数の和:1715

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 31510830

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, 1663, 1885, 2262, 3326, 3770, 4989, 5655, 8315, 9978, 11310, 16630, 21619, 24945, 43238, 48227, 49890, 64857, 96454, 108095, 129714, 144681, 216190, 241135, 289362, 324285, 482270, 626951, 648570, 723405, 1253902, 1446810, 1880853, 3134755, 3761706, 6269510, 9404265, 18808530]

約数ペア:

[(1, 18808530), (2, 9404265), (3, 6269510), (5, 3761706), (6, 3134755), (10, 1880853), (13, 1446810), (15, 1253902), (26, 723405), (29, 648570), (30, 626951), (39, 482270), (58, 324285), (65, 289362), (78, 241135), (87, 216190), (130, 144681), (145, 129714), (174, 108095), (195, 96454), (290, 64857), (377, 49890), (390, 48227), (435, 43238), (754, 24945), (870, 21619), (1131, 16630), (1663, 11310), (1885, 9978), (2262, 8315), (3326, 5655), (3770, 4989)]