18802585

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 6080615

約数列:

[1, 5, 29, 31, 47, 89, 145, 155, 235, 445, 899, 1363, 1457, 2581, 2759, 4183, 4495, 6815, 7285, 12905, 13795, 20915, 42253, 80011, 121307, 129673, 211265, 400055, 606535, 648365, 3760517, 18802585]

約数ペア:

[(1, 18802585), (5, 3760517), (29, 648365), (31, 606535), (47, 400055), (89, 211265), (145, 129673), (155, 121307), (235, 80011), (445, 42253), (899, 20915), (1363, 13795), (1457, 12905), (2581, 7285), (2759, 6815), (4183, 4495)]