18640204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6323}}^1$

素因数の和:6405

約数の個数: 24

約数和(自身を含む): 36122688

約数和(自身を除く): 17482484

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6323, 12646, 25292, 69553, 139106, 278212, 423641, 847282, 1694564, 4660051, 9320102, 18640204]

約数ペア:

[(1, 18640204), (2, 9320102), (4, 4660051), (11, 1694564), (22, 847282), (44, 423641), (67, 278212), (134, 139106), (268, 69553), (737, 25292), (1474, 12646), (2948, 6323)]