18776064385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{42349}}^1$

素因数の和:42745

約数の個数: 32

約数和(自身を含む): 25613280000

約数和(自身を除く): 6837215615

約数列:

[1, 5, 13, 19, 65, 95, 247, 359, 1235, 1795, 4667, 6821, 23335, 34105, 42349, 88673, 211745, 443365, 550537, 804631, 2752685, 4023155, 10460203, 15203291, 52301015, 76016455, 197642783, 288862529, 988213915, 1444312645, 3755212877, 18776064385]

約数ペア:

[(1, 18776064385), (5, 3755212877), (13, 1444312645), (19, 988213915), (65, 288862529), (95, 197642783), (247, 76016455), (359, 52301015), (1235, 15203291), (1795, 10460203), (4667, 4023155), (6821, 2752685), (23335, 804631), (34105, 550537), (42349, 443365), (88673, 211745)]