19083220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3904

約数の個数: 48

約数和(自身を含む): 45440640

約数和(自身を除く): 26357420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3863, 4940, 7726, 15452, 19315, 38630, 50219, 73397, 77260, 100438, 146794, 200876, 251095, 293588, 366985, 502190, 733970, 954161, 1004380, 1467940, 1908322, 3816644, 4770805, 9541610, 19083220]

約数ペア:

[(1, 19083220), (2, 9541610), (4, 4770805), (5, 3816644), (10, 1908322), (13, 1467940), (19, 1004380), (20, 954161), (26, 733970), (38, 502190), (52, 366985), (65, 293588), (76, 251095), (95, 200876), (130, 146794), (190, 100438), (247, 77260), (260, 73397), (380, 50219), (494, 38630), (988, 19315), (1235, 15452), (2470, 7726), (3863, 4940)]