19907302

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:951

約数の個数: 16

約数和(自身を含む): 30416400

約数和(自身を除く): 10509098

約数列:

[1, 2, 101, 139, 202, 278, 709, 1418, 14039, 28078, 71609, 98551, 143218, 197102, 9953651, 19907302]

約数ペア:

[(1, 19907302), (2, 9953651), (101, 197102), (139, 143218), (202, 98551), (278, 71609), (709, 28078), (1418, 14039)]