19535115

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 33048576

約数和(自身を除く): 13513461

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 977, 1333, 2931, 3999, 4885, 6665, 14655, 19995, 30287, 42011, 90861, 126033, 151435, 210055, 454305, 630165, 1302341, 3907023, 6511705, 19535115]

約数ペア:

[(1, 19535115), (3, 6511705), (5, 3907023), (15, 1302341), (31, 630165), (43, 454305), (93, 210055), (129, 151435), (155, 126033), (215, 90861), (465, 42011), (645, 30287), (977, 19995), (1333, 14655), (2931, 6665), (3999, 4885)]