19305447

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13721}}^1$

素因数の和:13798

約数の個数: 16

約数和(自身を含む): 29859072

約数和(自身を除く): 10553625

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 13721, 41163, 96047, 288141, 919307, 2757921, 6435149, 19305447]

約数ペア:

[(1, 19305447), (3, 6435149), (7, 2757921), (21, 919307), (67, 288141), (201, 96047), (469, 41163), (1407, 13721)]