18032290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20261}}^1$

素因数の和:20357

約数の個数: 16

約数和(自身を含む): 32824440

約数和(自身を除く): 14792150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 20261, 40522, 101305, 202610, 1803229, 3606458, 9016145, 18032290]

約数ペア:

[(1, 18032290), (2, 9016145), (5, 3606458), (10, 1803229), (89, 202610), (178, 101305), (445, 40522), (890, 20261)]