18721136

素因数分解:

$2^4\times 7^2\times {\mathrm{23879}}^1$

素因数の和:23901

約数の個数: 30

約数和(自身を含む): 42195960

約数和(自身を除く): 23474824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 23879, 47758, 95516, 167153, 191032, 334306, 382064, 668612, 1170071, 1337224, 2340142, 2674448, 4680284, 9360568, 18721136]

約数ペア:

[(1, 18721136), (2, 9360568), (4, 4680284), (7, 2674448), (8, 2340142), (14, 1337224), (16, 1170071), (28, 668612), (49, 382064), (56, 334306), (98, 191032), (112, 167153), (196, 95516), (392, 47758), (784, 23879)]