18419870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{971}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 19651426

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 971, 1355, 1897, 1942, 2710, 3794, 4855, 6797, 9485, 9710, 13594, 18970, 33985, 67970, 263141, 526282, 1315705, 1841987, 2631410, 3683974, 9209935, 18419870]

約数ペア:

[(1, 18419870), (2, 9209935), (5, 3683974), (7, 2631410), (10, 1841987), (14, 1315705), (35, 526282), (70, 263141), (271, 67970), (542, 33985), (971, 18970), (1355, 13594), (1897, 9710), (1942, 9485), (2710, 6797), (3794, 4855)]