19790966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 24

約数和(自身を含む): 32641392

約数和(自身を除く): 12850426

約数列:

[1, 2, 13, 26, 71, 142, 151, 302, 923, 1846, 1963, 3926, 5041, 10082, 10721, 21442, 65533, 131066, 139373, 278746, 761191, 1522382, 9895483, 19790966]

約数ペア:

[(1, 19790966), (2, 9895483), (13, 1522382), (26, 761191), (71, 278746), (142, 139373), (151, 131066), (302, 65533), (923, 21442), (1846, 10721), (1963, 10082), (3926, 5041)]