18206505

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{859}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 32611200

約数和(自身を除く): 14404695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 859, 1413, 2355, 2577, 4239, 4295, 7065, 7731, 12885, 21195, 23193, 38655, 115965, 134863, 404589, 674315, 1213767, 2022945, 3641301, 6068835, 18206505]

約数ペア:

[(1, 18206505), (3, 6068835), (5, 3641301), (9, 2022945), (15, 1213767), (27, 674315), (45, 404589), (135, 134863), (157, 115965), (471, 38655), (785, 23193), (859, 21195), (1413, 12885), (2355, 7731), (2577, 7065), (4239, 4295)]