19780334

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{10313}}^1$

素因数の和:10459

約数の個数: 16

約数和(自身を含む): 34159968

約数和(自身を除く): 14379634

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 10313, 20626, 72191, 144382, 1412881, 2825762, 9890167, 19780334]

約数ペア:

[(1, 19780334), (2, 9890167), (7, 2825762), (14, 1412881), (137, 144382), (274, 72191), (959, 20626), (1918, 10313)]