19854163

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 24328512

約数和(自身を除く): 4474349

約数列:

[1, 7, 37, 47, 49, 233, 259, 329, 1631, 1739, 1813, 2303, 8621, 10951, 11417, 12173, 60347, 76657, 85211, 405187, 422429, 536599, 2836309, 19854163]

約数ペア:

[(1, 19854163), (7, 2836309), (37, 536599), (47, 422429), (49, 405187), (233, 85211), (259, 76657), (329, 60347), (1631, 12173), (1739, 11417), (1813, 10951), (2303, 8621)]