18993502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45439}}^1$

素因数の和:45471

約数の個数: 16

約数和(自身を含む): 32716800

約数和(自身を除く): 13723298

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 45439, 90878, 499829, 863341, 999658, 1726682, 9496751, 18993502]

約数ペア:

[(1, 18993502), (2, 9496751), (11, 1726682), (19, 999658), (22, 863341), (38, 499829), (209, 90878), (418, 45439)]