16989812

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1601}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 34090560

約数和(自身を除く): 17100748

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1601, 2653, 3202, 5306, 6404, 10612, 11207, 22414, 44828, 606779, 1213558, 2427116, 4247453, 8494906, 16989812]

約数ペア:

[(1, 16989812), (2, 8494906), (4, 4247453), (7, 2427116), (14, 1213558), (28, 606779), (379, 44828), (758, 22414), (1516, 11207), (1601, 10612), (2653, 6404), (3202, 5306)]