19257357

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11155443

約数列:

[1, 3, 7, 21, 47, 109, 141, 179, 327, 329, 537, 763, 987, 1253, 2289, 3759, 5123, 8413, 15369, 19511, 25239, 35861, 58533, 58891, 107583, 136577, 176673, 409731, 917017, 2751051, 6419119, 19257357]

約数ペア:

[(1, 19257357), (3, 6419119), (7, 2751051), (21, 917017), (47, 409731), (109, 176673), (141, 136577), (179, 107583), (327, 58891), (329, 58533), (537, 35861), (763, 25239), (987, 19511), (1253, 15369), (2289, 8413), (3759, 5123)]