18721334

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{8161}}^1$

素因数の和:8231

約数の個数: 16

約数和(自身を含む): 29774976

約数和(自身を除く): 11053642

約数列:

[1, 2, 31, 37, 62, 74, 1147, 2294, 8161, 16322, 252991, 301957, 505982, 603914, 9360667, 18721334]

約数ペア:

[(1, 18721334), (2, 9360667), (31, 603914), (37, 505982), (62, 301957), (74, 252991), (1147, 16322), (2294, 8161)]