17990638

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1907}}^1$

素因数の和:2051

約数の個数: 16

約数和(自身を含む): 27818640

約数和(自身を除く): 9828002

約数列:

[1, 2, 53, 89, 106, 178, 1907, 3814, 4717, 9434, 101071, 169723, 202142, 339446, 8995319, 17990638]

約数ペア:

[(1, 17990638), (2, 8995319), (53, 339446), (89, 202142), (106, 169723), (178, 101071), (1907, 9434), (3814, 4717)]