19986010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5861}}^1$

素因数の和:5910

約数の個数: 32

約数和(自身を含む): 40518144

約数和(自身を除く): 20532134

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5861, 11722, 29305, 58610, 64471, 128942, 181691, 322355, 363382, 644710, 908455, 1816910, 1998601, 3997202, 9993005, 19986010]

約数ペア:

[(1, 19986010), (2, 9993005), (5, 3997202), (10, 1998601), (11, 1816910), (22, 908455), (31, 644710), (55, 363382), (62, 322355), (110, 181691), (155, 128942), (310, 64471), (341, 58610), (682, 29305), (1705, 11722), (3410, 5861)]