18791630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 42130368

約数和(自身を除く): 23338738

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 773, 935, 1105, 1430, 1546, 1870, 2210, 2431, 3865, 4862, 7730, 8503, 10049, 12155, 13141, 17006, 20098, 24310, 26282, 42515, 50245, 65705, 85030, 100490, 110539, 131410, 144551, 170833, 221078, 289102, 341666, 552695, 722755, 854165, 1105390, 1445510, 1708330, 1879163, 3758326, 9395815, 18791630]

約数ペア:

[(1, 18791630), (2, 9395815), (5, 3758326), (10, 1879163), (11, 1708330), (13, 1445510), (17, 1105390), (22, 854165), (26, 722755), (34, 552695), (55, 341666), (65, 289102), (85, 221078), (110, 170833), (130, 144551), (143, 131410), (170, 110539), (187, 100490), (221, 85030), (286, 65705), (374, 50245), (442, 42515), (715, 26282), (773, 24310), (935, 20098), (1105, 17006), (1430, 13141), (1546, 12155), (1870, 10049), (2210, 8503), (2431, 7730), (3865, 4862)]