18311840

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 43559208

約数和(自身を除く): 25247368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 593, 772, 965, 1186, 1544, 1930, 2372, 2965, 3088, 3860, 4744, 5930, 6176, 7720, 9488, 11860, 15440, 18976, 23720, 30880, 47440, 94880, 114449, 228898, 457796, 572245, 915592, 1144490, 1831184, 2288980, 3662368, 4577960, 9155920, 18311840]

約数ペア:

[(1, 18311840), (2, 9155920), (4, 4577960), (5, 3662368), (8, 2288980), (10, 1831184), (16, 1144490), (20, 915592), (32, 572245), (40, 457796), (80, 228898), (160, 114449), (193, 94880), (386, 47440), (593, 30880), (772, 23720), (965, 18976), (1186, 15440), (1544, 11860), (1930, 9488), (2372, 7720), (2965, 6176), (3088, 5930), (3860, 4744)]