18234160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32561}}^1$

素因数の和:32581

約数の個数: 40

約数和(自身を含む): 48452256

約数和(自身を除く): 30218096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32561, 65122, 130244, 162805, 227927, 260488, 325610, 455854, 520976, 651220, 911708, 1139635, 1302440, 1823416, 2279270, 2604880, 3646832, 4558540, 9117080, 18234160]

約数ペア:

[(1, 18234160), (2, 9117080), (4, 4558540), (5, 3646832), (7, 2604880), (8, 2279270), (10, 1823416), (14, 1302440), (16, 1139635), (20, 911708), (28, 651220), (35, 520976), (40, 455854), (56, 325610), (70, 260488), (80, 227927), (112, 162805), (140, 130244), (280, 65122), (560, 32561)]