18740470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{267721}}^1$

素因数の和:267735

約数の個数: 16

約数和(自身を含む): 38551968

約数和(自身を除く): 19811498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 267721, 535442, 1338605, 1874047, 2677210, 3748094, 9370235, 18740470]

約数ペア:

[(1, 18740470), (2, 9370235), (5, 3748094), (7, 2677210), (10, 1874047), (14, 1338605), (35, 535442), (70, 267721)]