18768165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 32672640

約数和(自身を除く): 13904475

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 883, 1417, 1635, 2649, 4251, 4415, 7085, 11479, 13245, 21255, 34437, 57395, 96247, 172185, 288741, 481235, 1251211, 1443705, 3753633, 6256055, 18768165]

約数ペア:

[(1, 18768165), (3, 6256055), (5, 3753633), (13, 1443705), (15, 1251211), (39, 481235), (65, 288741), (109, 172185), (195, 96247), (327, 57395), (545, 34437), (883, 21255), (1417, 13245), (1635, 11479), (2649, 7085), (4251, 4415)]