1915673980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{50333}}^1$

素因数の和:50526

約数の個数: 48

約数和(自身を含む): 4414090464

約数和(自身を除く): 2498416484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 7612, 9515, 19030, 38060, 50333, 100666, 201332, 251665, 503330, 553663, 1006660, 1107326, 2214652, 2768315, 5536630, 8707609, 11073260, 17415218, 34830436, 43538045, 87076090, 95783699, 174152180, 191567398, 383134796, 478918495, 957836990, 1915673980]

約数ペア:

[(1, 1915673980), (2, 957836990), (4, 478918495), (5, 383134796), (10, 191567398), (11, 174152180), (20, 95783699), (22, 87076090), (44, 43538045), (55, 34830436), (110, 17415218), (173, 11073260), (220, 8707609), (346, 5536630), (692, 2768315), (865, 2214652), (1730, 1107326), (1903, 1006660), (3460, 553663), (3806, 503330), (7612, 251665), (9515, 201332), (19030, 100666), (38060, 50333)]