19161681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7541}}^1$

素因数の和:7573

約数の個数: 24

約数和(自身を含む): 32098752

約数和(自身を除く): 12937071

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7541, 22623, 52787, 82951, 158361, 248853, 580657, 912461, 1741971, 2737383, 6387227, 19161681]

約数ペア:

[(1, 19161681), (3, 6387227), (7, 2737383), (11, 1741971), (21, 912461), (33, 580657), (77, 248853), (121, 158361), (231, 82951), (363, 52787), (847, 22623), (2541, 7541)]