18418995

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 38681280

約数和(自身を除く): 20262285

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 73, 81, 89, 105, 135, 189, 219, 267, 315, 365, 405, 445, 511, 567, 623, 657, 801, 945, 1095, 1335, 1533, 1869, 1971, 2403, 2555, 2835, 3115, 3285, 4005, 4599, 5607, 5913, 6497, 7209, 7665, 9345, 9855, 12015, 13797, 16821, 19491, 22995, 28035, 29565, 32485, 36045, 41391, 45479, 50463, 58473, 68985, 84105, 97455, 136437, 175419, 206955, 227395, 252315, 292365, 409311, 526257, 682185, 877095, 1227933, 2046555, 2631285, 3683799, 6139665, 18418995]

約数ペア:

[(1, 18418995), (3, 6139665), (5, 3683799), (7, 2631285), (9, 2046555), (15, 1227933), (21, 877095), (27, 682185), (35, 526257), (45, 409311), (63, 292365), (73, 252315), (81, 227395), (89, 206955), (105, 175419), (135, 136437), (189, 97455), (219, 84105), (267, 68985), (315, 58473), (365, 50463), (405, 45479), (445, 41391), (511, 36045), (567, 32485), (623, 29565), (657, 28035), (801, 22995), (945, 19491), (1095, 16821), (1335, 13797), (1533, 12015), (1869, 9855), (1971, 9345), (2403, 7665), (2555, 7209), (2835, 6497), (3115, 5913), (3285, 5607), (4005, 4599)]