18372760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65617}}^1$

素因数の和:65635

約数の個数: 32

約数和(自身を含む): 47244960

約数和(自身を除く): 28872200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65617, 131234, 262468, 328085, 459319, 524936, 656170, 918638, 1312340, 1837276, 2296595, 2624680, 3674552, 4593190, 9186380, 18372760]

約数ペア:

[(1, 18372760), (2, 9186380), (4, 4593190), (5, 3674552), (7, 2624680), (8, 2296595), (10, 1837276), (14, 1312340), (20, 918638), (28, 656170), (35, 524936), (40, 459319), (56, 328085), (70, 262468), (140, 131234), (280, 65617)]