19178522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 13819366

約数列:

[1, 2, 11, 22, 31, 61, 62, 122, 341, 461, 671, 682, 922, 1342, 1891, 3782, 5071, 10142, 14291, 20801, 28121, 28582, 41602, 56242, 157201, 309331, 314402, 618662, 871751, 1743502, 9589261, 19178522]

約数ペア:

[(1, 19178522), (2, 9589261), (11, 1743502), (22, 871751), (31, 618662), (61, 314402), (62, 309331), (122, 157201), (341, 56242), (461, 41602), (671, 28582), (682, 28121), (922, 20801), (1342, 14291), (1891, 10142), (3782, 5071)]