18983294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23321}}^1$

素因数の和:23371

約数の個数: 16

約数和(自身を含む): 31904496

約数和(自身を除く): 12921202

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23321, 46642, 256531, 513062, 862877, 1725754, 9491647, 18983294]

約数ペア:

[(1, 18983294), (2, 9491647), (11, 1725754), (22, 862877), (37, 513062), (74, 256531), (407, 46642), (814, 23321)]