19191291231

素因数分解:

$3^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{742381}}^1$

素因数の和:743622

約数の個数: 16

約数和(自身を含む): 29267667968

約数和(自身を除く): 10076376737

約数列:

[1, 3, 7, 21, 1231, 3693, 8617, 25851, 742381, 2227143, 5196667, 15590001, 913871011, 2741613033, 6397097077, 19191291231]

約数ペア:

[(1, 19191291231), (3, 6397097077), (7, 2741613033), (21, 913871011), (1231, 15590001), (3693, 5196667), (8617, 2227143), (25851, 742381)]