19387851

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12647}}^1$

素因数の和:12730

約数の個数: 16

約数和(自身を含む): 29950464

約数和(自身を除く): 10562613

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12647, 37941, 88529, 265587, 923231, 2769693, 6462617, 19387851]

約数ペア:

[(1, 19387851), (3, 6462617), (7, 2769693), (21, 923231), (73, 265587), (219, 88529), (511, 37941), (1533, 12647)]