18882968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5857}}^1$

素因数の和:5907

約数の個数: 32

約数和(自身を含む): 39365760

約数和(自身を除く): 20482792

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 5857, 11714, 23428, 46856, 76141, 152282, 181567, 304564, 363134, 609128, 726268, 1452536, 2360371, 4720742, 9441484, 18882968]

約数ペア:

[(1, 18882968), (2, 9441484), (4, 4720742), (8, 2360371), (13, 1452536), (26, 726268), (31, 609128), (52, 363134), (62, 304564), (104, 181567), (124, 152282), (248, 76141), (403, 46856), (806, 23428), (1612, 11714), (3224, 5857)]