18536476220

素因数分解:

$2^2\times 5^1\times {\mathrm{2861}}^1\times {\mathrm{323951}}^1$

素因数の和:326821

約数の個数: 24

約数和(自身を含む): 38940326208

約数和(自身を除く): 20403849988

約数列:

[1, 2, 4, 5, 10, 20, 2861, 5722, 11444, 14305, 28610, 57220, 323951, 647902, 1295804, 1619755, 3239510, 6479020, 926823811, 1853647622, 3707295244, 4634119055, 9268238110, 18536476220]

約数ペア:

[(1, 18536476220), (2, 9268238110), (4, 4634119055), (5, 3707295244), (10, 1853647622), (20, 926823811), (2861, 6479020), (5722, 3239510), (11444, 1619755), (14305, 1295804), (28610, 647902), (57220, 323951)]