18970902

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4447}}^1$

素因数の和:4537

約数の個数: 32

約数和(自身を含む): 42700800

約数和(自身を除く): 23729898

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4447, 8894, 13341, 26682, 40023, 80046, 120069, 240138, 351313, 702626, 1053939, 2107878, 3161817, 6323634, 9485451, 18970902]

約数ペア:

[(1, 18970902), (2, 9485451), (3, 6323634), (6, 3161817), (9, 2107878), (18, 1053939), (27, 702626), (54, 351313), (79, 240138), (158, 120069), (237, 80046), (474, 40023), (711, 26682), (1422, 13341), (2133, 8894), (4266, 4447)]