18444875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 24373440

約数和(自身を除く): 5928565

約数列:

[1, 5, 25, 41, 59, 61, 125, 205, 295, 305, 1025, 1475, 1525, 2419, 2501, 3599, 5125, 7375, 7625, 12095, 12505, 17995, 60475, 62525, 89975, 147559, 302375, 312625, 449875, 737795, 3688975, 18444875]

約数ペア:

[(1, 18444875), (5, 3688975), (25, 737795), (41, 449875), (59, 312625), (61, 302375), (125, 147559), (205, 89975), (295, 62525), (305, 60475), (1025, 17995), (1475, 12505), (1525, 12095), (2419, 7625), (2501, 7375), (3599, 5125)]