18341775

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 34893600

約数和(自身を除く): 16551825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 937, 1305, 2175, 2811, 3915, 4685, 6525, 8433, 14055, 19575, 23425, 25299, 27173, 42165, 70275, 81519, 126495, 135865, 210825, 244557, 407595, 632475, 679325, 733671, 1222785, 2037975, 3668355, 6113925, 18341775]

約数ペア:

[(1, 18341775), (3, 6113925), (5, 3668355), (9, 2037975), (15, 1222785), (25, 733671), (27, 679325), (29, 632475), (45, 407595), (75, 244557), (87, 210825), (135, 135865), (145, 126495), (225, 81519), (261, 70275), (435, 42165), (675, 27173), (725, 25299), (783, 23425), (937, 19575), (1305, 14055), (2175, 8433), (2811, 6525), (3915, 4685)]