18291770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 39536640

約数和(自身を除く): 21244870

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 59, 70, 86, 103, 118, 206, 215, 295, 301, 413, 430, 515, 590, 602, 721, 826, 1030, 1442, 1505, 2065, 2537, 3010, 3605, 4130, 4429, 5074, 6077, 7210, 8858, 12154, 12685, 17759, 22145, 25370, 30385, 31003, 35518, 42539, 44290, 60770, 62006, 85078, 88795, 155015, 177590, 212695, 261311, 310030, 425390, 522622, 1306555, 1829177, 2613110, 3658354, 9145885, 18291770]

約数ペア:

[(1, 18291770), (2, 9145885), (5, 3658354), (7, 2613110), (10, 1829177), (14, 1306555), (35, 522622), (43, 425390), (59, 310030), (70, 261311), (86, 212695), (103, 177590), (118, 155015), (206, 88795), (215, 85078), (295, 62006), (301, 60770), (413, 44290), (430, 42539), (515, 35518), (590, 31003), (602, 30385), (721, 25370), (826, 22145), (1030, 17759), (1442, 12685), (1505, 12154), (2065, 8858), (2537, 7210), (3010, 6077), (3605, 5074), (4130, 4429)]