19480294

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1107

約数の個数: 16

約数和(自身を含む): 29836800

約数和(自身を除く): 10356506

約数列:

[1, 2, 79, 139, 158, 278, 887, 1774, 10981, 21962, 70073, 123293, 140146, 246586, 9740147, 19480294]

約数ペア:

[(1, 19480294), (2, 9740147), (79, 246586), (139, 140146), (158, 123293), (278, 70073), (887, 21962), (1774, 10981)]