18388447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12569}}^1$

素因数の和:12606

約数の個数: 16

約数和(自身を含む): 24134400

約数和(自身を除く): 5745953

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12569, 87983, 138259, 238811, 967813, 1671677, 2626921, 18388447]

約数ペア:

[(1, 18388447), (7, 2626921), (11, 1671677), (19, 967813), (77, 238811), (133, 138259), (209, 87983), (1463, 12569)]