18908000

素因数分解:

$2^5\times 5^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 48353760

約数和(自身を除く): 29445760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 125, 145, 160, 163, 200, 232, 250, 290, 326, 400, 464, 500, 580, 652, 725, 800, 815, 928, 1000, 1160, 1304, 1450, 1630, 2000, 2320, 2608, 2900, 3260, 3625, 4000, 4075, 4640, 4727, 5216, 5800, 6520, 7250, 8150, 9454, 11600, 13040, 14500, 16300, 18908, 20375, 23200, 23635, 26080, 29000, 32600, 37816, 40750, 47270, 58000, 65200, 75632, 81500, 94540, 116000, 118175, 130400, 151264, 163000, 189080, 236350, 326000, 378160, 472700, 590875, 652000, 756320, 945400, 1181750, 1890800, 2363500, 3781600, 4727000, 9454000, 18908000]

約数ペア:

[(1, 18908000), (2, 9454000), (4, 4727000), (5, 3781600), (8, 2363500), (10, 1890800), (16, 1181750), (20, 945400), (25, 756320), (29, 652000), (32, 590875), (40, 472700), (50, 378160), (58, 326000), (80, 236350), (100, 189080), (116, 163000), (125, 151264), (145, 130400), (160, 118175), (163, 116000), (200, 94540), (232, 81500), (250, 75632), (290, 65200), (326, 58000), (400, 47270), (464, 40750), (500, 37816), (580, 32600), (652, 29000), (725, 26080), (800, 23635), (815, 23200), (928, 20375), (1000, 18908), (1160, 16300), (1304, 14500), (1450, 13040), (1630, 11600), (2000, 9454), (2320, 8150), (2608, 7250), (2900, 6520), (3260, 5800), (3625, 5216), (4000, 4727), (4075, 4640)]