18801235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 25505280

約数和(自身を除く): 6704045

約数列:

[1, 5, 17, 23, 59, 85, 115, 163, 295, 391, 815, 1003, 1357, 1955, 2771, 3749, 5015, 6785, 9617, 13855, 18745, 23069, 48085, 63733, 115345, 163489, 221191, 318665, 817445, 1105955, 3760247, 18801235]

約数ペア:

[(1, 18801235), (5, 3760247), (17, 1105955), (23, 817445), (59, 318665), (85, 221191), (115, 163489), (163, 115345), (295, 63733), (391, 48085), (815, 23069), (1003, 18745), (1357, 13855), (1955, 9617), (2771, 6785), (3749, 5015)]