11920315

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 17811360

約数和(自身を除く): 5891045

約数列:

[1, 5, 11, 17, 19, 55, 61, 85, 95, 121, 187, 209, 305, 323, 605, 671, 935, 1037, 1045, 1159, 1615, 2057, 2299, 3355, 3553, 5185, 5795, 7381, 10285, 11407, 11495, 12749, 17765, 19703, 36905, 39083, 57035, 63745, 98515, 125477, 140239, 195415, 216733, 627385, 701195, 1083665, 2384063, 11920315]

約数ペア:

[(1, 11920315), (5, 2384063), (11, 1083665), (17, 701195), (19, 627385), (55, 216733), (61, 195415), (85, 140239), (95, 125477), (121, 98515), (187, 63745), (209, 57035), (305, 39083), (323, 36905), (605, 19703), (671, 17765), (935, 12749), (1037, 11495), (1045, 11407), (1159, 10285), (1615, 7381), (2057, 5795), (2299, 5185), (3355, 3553)]