18597460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2711}}^1$

素因数の和:2741

約数の個数: 48

約数和(自身を含む): 45561600

約数和(自身を除く): 26964140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2711, 3430, 5422, 6860, 10844, 13555, 18977, 27110, 37954, 54220, 75908, 94885, 132839, 189770, 265678, 379540, 531356, 664195, 929873, 1328390, 1859746, 2656780, 3719492, 4649365, 9298730, 18597460]

約数ペア:

[(1, 18597460), (2, 9298730), (4, 4649365), (5, 3719492), (7, 2656780), (10, 1859746), (14, 1328390), (20, 929873), (28, 664195), (35, 531356), (49, 379540), (70, 265678), (98, 189770), (140, 132839), (196, 94885), (245, 75908), (343, 54220), (490, 37954), (686, 27110), (980, 18977), (1372, 13555), (1715, 10844), (2711, 6860), (3430, 5422)]