19962180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5281}}^1$

素因数の和:5306

約数の個数: 96

約数和(自身を含む): 70990080

約数和(自身を除く): 51027900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5281, 10562, 15843, 21124, 26405, 31686, 36967, 47529, 52810, 63372, 73934, 79215, 95058, 105620, 110901, 142587, 147868, 158430, 184835, 190116, 221802, 237645, 285174, 316860, 332703, 369670, 443604, 475290, 554505, 570348, 665406, 712935, 739340, 950580, 998109, 1109010, 1330812, 1425870, 1663515, 1996218, 2218020, 2851740, 3327030, 3992436, 4990545, 6654060, 9981090, 19962180]

約数ペア:

[(1, 19962180), (2, 9981090), (3, 6654060), (4, 4990545), (5, 3992436), (6, 3327030), (7, 2851740), (9, 2218020), (10, 1996218), (12, 1663515), (14, 1425870), (15, 1330812), (18, 1109010), (20, 998109), (21, 950580), (27, 739340), (28, 712935), (30, 665406), (35, 570348), (36, 554505), (42, 475290), (45, 443604), (54, 369670), (60, 332703), (63, 316860), (70, 285174), (84, 237645), (90, 221802), (105, 190116), (108, 184835), (126, 158430), (135, 147868), (140, 142587), (180, 110901), (189, 105620), (210, 95058), (252, 79215), (270, 73934), (315, 63372), (378, 52810), (420, 47529), (540, 36967), (630, 31686), (756, 26405), (945, 21124), (1260, 15843), (1890, 10562), (3780, 5281)]