19383861

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4547}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 31108320

約数和(自身を除く): 11724459

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4547, 13641, 31829, 95487, 131863, 222803, 395589, 668409, 923041, 2769123, 6461287, 19383861]

約数ペア:

[(1, 19383861), (3, 6461287), (7, 2769123), (21, 923041), (29, 668409), (49, 395589), (87, 222803), (147, 131863), (203, 95487), (609, 31829), (1421, 13641), (4263, 4547)]