1818872013

素因数分解:

$3^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{19609}}^1$

素因数の和:20257

約数の個数: 24

約数和(自身を含む): 2825722560

約数和(自身を除く): 1006850547

約数列:

[1, 3, 7, 21, 49, 147, 631, 1893, 4417, 13251, 19609, 30919, 58827, 92757, 137263, 411789, 960841, 2882523, 12373279, 37119837, 86612953, 259838859, 606290671, 1818872013]

約数ペア:

[(1, 1818872013), (3, 606290671), (7, 259838859), (21, 86612953), (49, 37119837), (147, 12373279), (631, 2882523), (1893, 960841), (4417, 411789), (13251, 137263), (19609, 92757), (30919, 58827)]