18431608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5717}}^1$

素因数の和:5767

約数の個数: 32

約数和(自身を含む): 38424960

約数和(自身を除く): 19993352

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 5717, 11434, 22868, 45736, 74321, 148642, 177227, 297284, 354454, 594568, 708908, 1417816, 2303951, 4607902, 9215804, 18431608]

約数ペア:

[(1, 18431608), (2, 9215804), (4, 4607902), (8, 2303951), (13, 1417816), (26, 708908), (31, 594568), (52, 354454), (62, 297284), (104, 177227), (124, 148642), (248, 74321), (403, 45736), (806, 22868), (1612, 11434), (3224, 5717)]