18784101

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2411}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 29696544

約数和(自身を除く): 10912443

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2411, 2597, 7233, 7791, 16877, 50631, 118139, 127783, 354417, 383349, 894481, 2683443, 6261367, 18784101]

約数ペア:

[(1, 18784101), (3, 6261367), (7, 2683443), (21, 894481), (49, 383349), (53, 354417), (147, 127783), (159, 118139), (371, 50631), (1113, 16877), (2411, 7791), (2597, 7233)]