18819898

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 24

約数和(自身を含む): 29850912

約数和(自身を除く): 11031014

約数列:

[1, 2, 29, 58, 67, 134, 167, 334, 841, 1682, 1943, 3886, 4843, 9686, 11189, 22378, 56347, 112694, 140447, 280894, 324481, 648962, 9409949, 18819898]

約数ペア:

[(1, 18819898), (2, 9409949), (29, 648962), (58, 324481), (67, 280894), (134, 140447), (167, 112694), (334, 56347), (841, 22378), (1682, 11189), (1943, 9686), (3886, 4843)]