18996868821

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1\times {\mathrm{18089}}^1$

素因数の和:19305

約数の個数: 32

約数和(自身を含む): 29647918080

約数和(自身を除く): 10651049259

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1163, 3489, 8141, 18089, 24423, 50009, 54267, 126623, 150027, 350063, 379869, 777827, 1050189, 2333481, 5444789, 16334367, 21037507, 63112521, 147262549, 441787647, 904612801, 2713838403, 6332289607, 18996868821]

約数ペア:

[(1, 18996868821), (3, 6332289607), (7, 2713838403), (21, 904612801), (43, 441787647), (129, 147262549), (301, 63112521), (903, 21037507), (1163, 16334367), (3489, 5444789), (8141, 2333481), (18089, 1050189), (24423, 777827), (50009, 379869), (54267, 350063), (126623, 150027)]