19057960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 44870400

約数和(自身を除く): 25812440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 163, 185, 296, 316, 326, 370, 395, 632, 652, 740, 790, 815, 1304, 1480, 1580, 1630, 2923, 3160, 3260, 5846, 6031, 6520, 11692, 12062, 12877, 14615, 23384, 24124, 25754, 29230, 30155, 48248, 51508, 58460, 60310, 64385, 103016, 116920, 120620, 128770, 241240, 257540, 476449, 515080, 952898, 1905796, 2382245, 3811592, 4764490, 9528980, 19057960]

約数ペア:

[(1, 19057960), (2, 9528980), (4, 4764490), (5, 3811592), (8, 2382245), (10, 1905796), (20, 952898), (37, 515080), (40, 476449), (74, 257540), (79, 241240), (148, 128770), (158, 120620), (163, 116920), (185, 103016), (296, 64385), (316, 60310), (326, 58460), (370, 51508), (395, 48248), (632, 30155), (652, 29230), (740, 25754), (790, 24124), (815, 23384), (1304, 14615), (1480, 12877), (1580, 12062), (1630, 11692), (2923, 6520), (3160, 6031), (3260, 5846)]