19059453

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4261}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 31913856

約数和(自身を除く): 12854403

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4261, 4473, 12783, 29827, 38349, 89481, 268443, 302531, 907593, 2117717, 2722779, 6353151, 19059453]

約数ペア:

[(1, 19059453), (3, 6353151), (7, 2722779), (9, 2117717), (21, 907593), (63, 302531), (71, 268443), (213, 89481), (497, 38349), (639, 29827), (1491, 12783), (4261, 4473)]