18310890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 30677910

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, 1619, 1885, 2262, 3238, 3770, 4857, 5655, 8095, 9714, 11310, 16190, 21047, 24285, 42094, 46951, 48570, 63141, 93902, 105235, 126282, 140853, 210470, 234755, 281706, 315705, 469510, 610363, 631410, 704265, 1220726, 1408530, 1831089, 3051815, 3662178, 6103630, 9155445, 18310890]

約数ペア:

[(1, 18310890), (2, 9155445), (3, 6103630), (5, 3662178), (6, 3051815), (10, 1831089), (13, 1408530), (15, 1220726), (26, 704265), (29, 631410), (30, 610363), (39, 469510), (58, 315705), (65, 281706), (78, 234755), (87, 210470), (130, 140853), (145, 126282), (174, 105235), (195, 93902), (290, 63141), (377, 48570), (390, 46951), (435, 42094), (754, 24285), (870, 21047), (1131, 16190), (1619, 11310), (1885, 9714), (2262, 8095), (3238, 5655), (3770, 4857)]