19725188

素因数分解:

$2^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1069}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 39547200

約数和(自身を除く): 19822012

約数列:

[1, 2, 4, 7, 14, 28, 659, 1069, 1318, 2138, 2636, 4276, 4613, 7483, 9226, 14966, 18452, 29932, 704471, 1408942, 2817884, 4931297, 9862594, 19725188]

約数ペア:

[(1, 19725188), (2, 9862594), (4, 4931297), (7, 2817884), (14, 1408942), (28, 704471), (659, 29932), (1069, 18452), (1318, 14966), (2138, 9226), (2636, 7483), (4276, 4613)]