18000204

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 43819776

約数和(自身を除く): 25819572

約数列:

[1, 2, 3, 4, 6, 12, 37, 71, 74, 111, 142, 148, 213, 222, 284, 426, 444, 571, 852, 1142, 1713, 2284, 2627, 3426, 5254, 6852, 7881, 10508, 15762, 21127, 31524, 40541, 42254, 63381, 81082, 84508, 121623, 126762, 162164, 243246, 253524, 486492, 1500017, 3000034, 4500051, 6000068, 9000102, 18000204]

約数ペア:

[(1, 18000204), (2, 9000102), (3, 6000068), (4, 4500051), (6, 3000034), (12, 1500017), (37, 486492), (71, 253524), (74, 243246), (111, 162164), (142, 126762), (148, 121623), (213, 84508), (222, 81082), (284, 63381), (426, 42254), (444, 40541), (571, 31524), (852, 21127), (1142, 15762), (1713, 10508), (2284, 7881), (2627, 6852), (3426, 5254)]