19217220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2647}}^1$

素因数の和:2681

約数の個数: 72

約数和(自身を含む): 59166912

約数和(自身を除く): 39949692

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2647, 3630, 5294, 7260, 7941, 10588, 13235, 15882, 26470, 29117, 31764, 39705, 52940, 58234, 79410, 87351, 116468, 145585, 158820, 174702, 291170, 320287, 349404, 436755, 582340, 640574, 873510, 960861, 1281148, 1601435, 1747020, 1921722, 3202870, 3843444, 4804305, 6405740, 9608610, 19217220]

約数ペア:

[(1, 19217220), (2, 9608610), (3, 6405740), (4, 4804305), (5, 3843444), (6, 3202870), (10, 1921722), (11, 1747020), (12, 1601435), (15, 1281148), (20, 960861), (22, 873510), (30, 640574), (33, 582340), (44, 436755), (55, 349404), (60, 320287), (66, 291170), (110, 174702), (121, 158820), (132, 145585), (165, 116468), (220, 87351), (242, 79410), (330, 58234), (363, 52940), (484, 39705), (605, 31764), (660, 29117), (726, 26470), (1210, 15882), (1452, 13235), (1815, 10588), (2420, 7941), (2647, 7260), (3630, 5294)]