18235280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32563}}^1$

素因数の和:32583

約数の個数: 40

約数和(自身を含む): 48455232

約数和(自身を除く): 30219952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32563, 65126, 130252, 162815, 227941, 260504, 325630, 455882, 521008, 651260, 911764, 1139705, 1302520, 1823528, 2279410, 2605040, 3647056, 4558820, 9117640, 18235280]

約数ペア:

[(1, 18235280), (2, 9117640), (4, 4558820), (5, 3647056), (7, 2605040), (8, 2279410), (10, 1823528), (14, 1302520), (16, 1139705), (20, 911764), (28, 651260), (35, 521008), (40, 455882), (56, 325630), (70, 260504), (80, 227941), (112, 162815), (140, 130252), (280, 65126), (560, 32563)]