18929025

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 36009600

約数和(自身を除く): 17080575

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 967, 1305, 2175, 2901, 3915, 4835, 6525, 8703, 14505, 19575, 24175, 26109, 28043, 43515, 72525, 84129, 130545, 140215, 217575, 252387, 420645, 652725, 701075, 757161, 1261935, 2103225, 3785805, 6309675, 18929025]

約数ペア:

[(1, 18929025), (3, 6309675), (5, 3785805), (9, 2103225), (15, 1261935), (25, 757161), (27, 701075), (29, 652725), (45, 420645), (75, 252387), (87, 217575), (135, 140215), (145, 130545), (225, 84129), (261, 72525), (435, 43515), (675, 28043), (725, 26109), (783, 24175), (967, 19575), (1305, 14505), (2175, 8703), (2901, 6525), (3915, 4835)]