18611180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2713}}^1$

素因数の和:2743

約数の個数: 48

約数和(自身を含む): 45595200

約数和(自身を除く): 26984020

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, 2713, 3430, 5426, 6860, 10852, 13565, 18991, 27130, 37982, 54260, 75964, 94955, 132937, 189910, 265874, 379820, 531748, 664685, 930559, 1329370, 1861118, 2658740, 3722236, 4652795, 9305590, 18611180]

約数ペア:

[(1, 18611180), (2, 9305590), (4, 4652795), (5, 3722236), (7, 2658740), (10, 1861118), (14, 1329370), (20, 930559), (28, 664685), (35, 531748), (49, 379820), (70, 265874), (98, 189910), (140, 132937), (196, 94955), (245, 75964), (343, 54260), (490, 37982), (686, 27130), (980, 18991), (1372, 13565), (1715, 10852), (2713, 6860), (3430, 5426)]