19886460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 43012740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1039, 1276, 1595, 1740, 1914, 2078, 3117, 3190, 3828, 4156, 4785, 5195, 6234, 6380, 9570, 10390, 11429, 12468, 15585, 19140, 20780, 22858, 30131, 31170, 34287, 45716, 57145, 60262, 62340, 68574, 90393, 114290, 120524, 137148, 150655, 171435, 180786, 228580, 301310, 331441, 342870, 361572, 451965, 602620, 662882, 685740, 903930, 994323, 1325764, 1657205, 1807860, 1988646, 3314410, 3977292, 4971615, 6628820, 9943230, 19886460]

約数ペア:

[(1, 19886460), (2, 9943230), (3, 6628820), (4, 4971615), (5, 3977292), (6, 3314410), (10, 1988646), (11, 1807860), (12, 1657205), (15, 1325764), (20, 994323), (22, 903930), (29, 685740), (30, 662882), (33, 602620), (44, 451965), (55, 361572), (58, 342870), (60, 331441), (66, 301310), (87, 228580), (110, 180786), (116, 171435), (132, 150655), (145, 137148), (165, 120524), (174, 114290), (220, 90393), (290, 68574), (319, 62340), (330, 60262), (348, 57145), (435, 45716), (580, 34287), (638, 31170), (660, 30131), (870, 22858), (957, 20780), (1039, 19140), (1276, 15585), (1595, 12468), (1740, 11429), (1914, 10390), (2078, 9570), (3117, 6380), (3190, 6234), (3828, 5195), (4156, 4785)]