18972345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1789}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 35055360

約数和(自身を除く): 16083015

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 1789, 2121, 3535, 5367, 8945, 10605, 12523, 26835, 37569, 62615, 180689, 187845, 542067, 903445, 1264823, 2710335, 3794469, 6324115, 18972345]

約数ペア:

[(1, 18972345), (3, 6324115), (5, 3794469), (7, 2710335), (15, 1264823), (21, 903445), (35, 542067), (101, 187845), (105, 180689), (303, 62615), (505, 37569), (707, 26835), (1515, 12523), (1789, 10605), (2121, 8945), (3535, 5367)]