19702513

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 21542400

約数和(自身を除く): 1839887

約数列:

[1, 23, 29, 109, 271, 667, 2507, 3161, 6233, 7859, 29539, 72703, 180757, 679397, 856631, 19702513]

約数ペア:

[(1, 19702513), (23, 856631), (29, 679397), (109, 180757), (271, 72703), (667, 29539), (2507, 7859), (3161, 6233)]