18256030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 35580384

約数和(自身を除く): 17324354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 443, 634, 886, 1585, 2215, 3170, 4121, 4430, 5759, 8242, 11518, 20605, 28795, 41210, 57590, 140431, 280862, 702155, 1404310, 1825603, 3651206, 9128015, 18256030]

約数ペア:

[(1, 18256030), (2, 9128015), (5, 3651206), (10, 1825603), (13, 1404310), (26, 702155), (65, 280862), (130, 140431), (317, 57590), (443, 41210), (634, 28795), (886, 20605), (1585, 11518), (2215, 8242), (3170, 5759), (4121, 4430)]