19618877

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 21235200

約数和(自身を除く): 1616323

約数列:

[1, 29, 31, 139, 157, 899, 4031, 4309, 4553, 4867, 21823, 124961, 141143, 632867, 676513, 19618877]

約数ペア:

[(1, 19618877), (29, 676513), (31, 632867), (139, 141143), (157, 124961), (899, 21823), (4031, 4867), (4309, 4553)]