19774858

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 24

約数和(自身を含む): 31889700

約数和(自身を除く): 12114842

約数列:

[1, 2, 19, 38, 61, 122, 361, 449, 722, 898, 1159, 2318, 8531, 17062, 22021, 27389, 44042, 54778, 162089, 324178, 520391, 1040782, 9887429, 19774858]

約数ペア:

[(1, 19774858), (2, 9887429), (19, 1040782), (38, 520391), (61, 324178), (122, 162089), (361, 54778), (449, 44042), (722, 27389), (898, 22021), (1159, 17062), (2318, 8531)]