18263495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 6066745

約数列:

[1, 5, 23, 31, 47, 109, 115, 155, 235, 545, 713, 1081, 1457, 2507, 3379, 3565, 5123, 5405, 7285, 12535, 16895, 25615, 33511, 77717, 117829, 158813, 167555, 388585, 589145, 794065, 3652699, 18263495]

約数ペア:

[(1, 18263495), (5, 3652699), (23, 794065), (31, 589145), (47, 388585), (109, 167555), (115, 158813), (155, 117829), (235, 77717), (545, 33511), (713, 25615), (1081, 16895), (1457, 12535), (2507, 7285), (3379, 5405), (3565, 5123)]