19454421

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1487}}^1$

素因数の和:1593

約数の個数: 24

約数和(自身を含む): 30533760

約数和(自身を除く): 11079339

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1487, 1869, 4361, 4461, 10409, 13083, 31227, 72863, 132343, 218589, 397029, 926401, 2779203, 6484807, 19454421]

約数ペア:

[(1, 19454421), (3, 6484807), (7, 2779203), (21, 926401), (49, 397029), (89, 218589), (147, 132343), (267, 72863), (623, 31227), (1487, 13083), (1869, 10409), (4361, 4461)]