18840710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3407}}^1$

素因数の和:3500

約数の個数: 32

約数和(自身を含む): 39260160

約数和(自身を除く): 20419450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3407, 5530, 6814, 17035, 23849, 34070, 47698, 119245, 238490, 269153, 538306, 1345765, 1884071, 2691530, 3768142, 9420355, 18840710]

約数ペア:

[(1, 18840710), (2, 9420355), (5, 3768142), (7, 2691530), (10, 1884071), (14, 1345765), (35, 538306), (70, 269153), (79, 238490), (158, 119245), (395, 47698), (553, 34070), (790, 23849), (1106, 17035), (2765, 6814), (3407, 5530)]