18306820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3100

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 26666108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3041, 6020, 6082, 12164, 15205, 21287, 30410, 42574, 60820, 85148, 106435, 130763, 212870, 261526, 425740, 523052, 653815, 915341, 1307630, 1830682, 2615260, 3661364, 4576705, 9153410, 18306820]

約数ペア:

[(1, 18306820), (2, 9153410), (4, 4576705), (5, 3661364), (7, 2615260), (10, 1830682), (14, 1307630), (20, 915341), (28, 653815), (35, 523052), (43, 425740), (70, 261526), (86, 212870), (140, 130763), (172, 106435), (215, 85148), (301, 60820), (430, 42574), (602, 30410), (860, 21287), (1204, 15205), (1505, 12164), (3010, 6082), (3041, 6020)]