19268945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 6391855

約数列:

[1, 5, 19, 43, 53, 89, 95, 215, 265, 445, 817, 1007, 1691, 2279, 3827, 4085, 4717, 5035, 8455, 11395, 19135, 23585, 43301, 72713, 89623, 202831, 216505, 363565, 448115, 1014155, 3853789, 19268945]

約数ペア:

[(1, 19268945), (5, 3853789), (19, 1014155), (43, 448115), (53, 363565), (89, 216505), (95, 202831), (215, 89623), (265, 72713), (445, 43301), (817, 23585), (1007, 19135), (1691, 11395), (2279, 8455), (3827, 5035), (4085, 4717)]