19180942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37907}}^1$

素因数の和:37943

約数の個数: 16

約数和(自身を含む): 32752512

約数和(自身を除く): 13571570

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37907, 75814, 416977, 833954, 871861, 1743722, 9590471, 19180942]

約数ペア:

[(1, 19180942), (2, 9590471), (11, 1743722), (22, 871861), (23, 833954), (46, 416977), (253, 75814), (506, 37907)]