18128045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 24796800

約数和(自身を除く): 6668755

約数列:

[1, 5, 13, 29, 59, 65, 145, 163, 295, 377, 767, 815, 1711, 1885, 2119, 3835, 4727, 8555, 9617, 10595, 22243, 23635, 48085, 61451, 111215, 125021, 278893, 307255, 625105, 1394465, 3625609, 18128045]

約数ペア:

[(1, 18128045), (5, 3625609), (13, 1394465), (29, 625105), (59, 307255), (65, 278893), (145, 125021), (163, 111215), (295, 61451), (377, 48085), (767, 23635), (815, 22243), (1711, 10595), (1885, 9617), (2119, 8555), (3835, 4727)]