18706792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9467}}^1$

素因数の和:9505

約数の個数: 32

約数和(自身を含む): 39765600

約数和(自身を除く): 21058808

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9467, 18934, 37868, 75736, 123071, 179873, 246142, 359746, 492284, 719492, 984568, 1438984, 2338349, 4676698, 9353396, 18706792]

約数ペア:

[(1, 18706792), (2, 9353396), (4, 4676698), (8, 2338349), (13, 1438984), (19, 984568), (26, 719492), (38, 492284), (52, 359746), (76, 246142), (104, 179873), (152, 123071), (247, 75736), (494, 37868), (988, 18934), (1976, 9467)]