19788522

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4159}}^1$

素因数の和:4238

約数の個数: 32

約数和(自身を含む): 43330560

約数和(自身を除く): 23542038

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4159, 4758, 8318, 12477, 24954, 54067, 108134, 162201, 253699, 324402, 507398, 761097, 1522194, 3298087, 6596174, 9894261, 19788522]

約数ペア:

[(1, 19788522), (2, 9894261), (3, 6596174), (6, 3298087), (13, 1522194), (26, 761097), (39, 507398), (61, 324402), (78, 253699), (122, 162201), (183, 108134), (366, 54067), (793, 24954), (1586, 12477), (2379, 8318), (4159, 4758)]