13018940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^2$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 32123952

約数和(自身を除く): 19105012

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 59, 68, 85, 110, 118, 170, 187, 220, 236, 295, 340, 374, 590, 649, 748, 935, 1003, 1180, 1298, 1870, 2006, 2596, 3245, 3481, 3740, 4012, 5015, 6490, 6962, 10030, 11033, 12980, 13924, 17405, 20060, 22066, 34810, 38291, 44132, 55165, 59177, 69620, 76582, 110330, 118354, 153164, 191455, 220660, 236708, 295885, 382910, 591770, 650947, 765820, 1183540, 1301894, 2603788, 3254735, 6509470, 13018940]

約数ペア:

[(1, 13018940), (2, 6509470), (4, 3254735), (5, 2603788), (10, 1301894), (11, 1183540), (17, 765820), (20, 650947), (22, 591770), (34, 382910), (44, 295885), (55, 236708), (59, 220660), (68, 191455), (85, 153164), (110, 118354), (118, 110330), (170, 76582), (187, 69620), (220, 59177), (236, 55165), (295, 44132), (340, 38291), (374, 34810), (590, 22066), (649, 20060), (748, 17405), (935, 13924), (1003, 12980), (1180, 11033), (1298, 10030), (1870, 6962), (2006, 6490), (2596, 5015), (3245, 4012), (3481, 3740)]