18357495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 32320512

約数和(自身を除く): 13963017

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 2003, 3055, 6009, 9165, 10015, 26039, 30045, 78117, 94141, 130195, 282423, 390585, 470705, 1223833, 1412115, 3671499, 6119165, 18357495]

約数ペア:

[(1, 18357495), (3, 6119165), (5, 3671499), (13, 1412115), (15, 1223833), (39, 470705), (47, 390585), (65, 282423), (141, 130195), (195, 94141), (235, 78117), (611, 30045), (705, 26039), (1833, 10015), (2003, 9165), (3055, 6009)]