18707470

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8389}}^1$

素因数の和:8619

約数の個数: 16

約数和(自身を含む): 33828480

約数和(自身を除く): 15121010

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 8389, 16778, 41945, 83890, 1870747, 3741494, 9353735, 18707470]

約数ペア:

[(1, 18707470), (2, 9353735), (5, 3741494), (10, 1870747), (223, 83890), (446, 41945), (1115, 16778), (2230, 8389)]