19782231

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5851}}^1$

素因数の和:5891

約数の個数: 24

約数和(自身を含む): 32022144

約数和(自身を除く): 12239913

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5851, 17553, 40957, 122871, 134573, 286699, 403719, 860097, 942011, 2826033, 6594077, 19782231]

約数ペア:

[(1, 19782231), (3, 6594077), (7, 2826033), (21, 942011), (23, 860097), (49, 403719), (69, 286699), (147, 134573), (161, 122871), (483, 40957), (1127, 17553), (3381, 5851)]