18400887

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 27750528

約数和(自身を除く): 9349641

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 653, 909, 1959, 3131, 5877, 9393, 20243, 28179, 60729, 65953, 182187, 197859, 593577, 2044543, 6133629, 18400887]

約数ペア:

[(1, 18400887), (3, 6133629), (9, 2044543), (31, 593577), (93, 197859), (101, 182187), (279, 65953), (303, 60729), (653, 28179), (909, 20243), (1959, 9393), (3131, 5877)]