19877474

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{719}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 11330206

約数列:

[1, 2, 23, 46, 601, 719, 1202, 1438, 13823, 16537, 27646, 33074, 432119, 864238, 9938737, 19877474]

約数ペア:

[(1, 19877474), (2, 9938737), (23, 864238), (46, 432119), (601, 33074), (719, 27646), (1202, 16537), (1438, 13823)]