18794874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 43088256

約数和(自身を除く): 24293382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 661, 677, 1322, 1354, 1983, 2031, 3966, 4062, 4627, 4739, 9254, 9478, 13881, 14217, 27762, 28434, 447497, 894994, 1342491, 2684982, 3132479, 6264958, 9397437, 18794874]

約数ペア:

[(1, 18794874), (2, 9397437), (3, 6264958), (6, 3132479), (7, 2684982), (14, 1342491), (21, 894994), (42, 447497), (661, 28434), (677, 27762), (1322, 14217), (1354, 13881), (1983, 9478), (2031, 9254), (3966, 4739), (4062, 4627)]