18779822

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1303

約数の個数: 16

約数和(自身を含む): 29486592

約数和(自身を除く): 10706770

約数列:

[1, 2, 23, 46, 631, 647, 1262, 1294, 14513, 14881, 29026, 29762, 408257, 816514, 9389911, 18779822]

約数ペア:

[(1, 18779822), (2, 9389911), (23, 816514), (46, 408257), (631, 29762), (647, 29026), (1262, 14881), (1294, 14513)]