18971450

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^2\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 36

約数和(自身を含む): 36224430

約数和(自身を除く): 17252980

約数列:

[1, 2, 5, 10, 25, 50, 59, 109, 118, 218, 295, 545, 590, 1090, 1475, 2725, 2950, 3481, 5450, 6431, 6962, 12862, 17405, 32155, 34810, 64310, 87025, 160775, 174050, 321550, 379429, 758858, 1897145, 3794290, 9485725, 18971450]

約数ペア:

[(1, 18971450), (2, 9485725), (5, 3794290), (10, 1897145), (25, 758858), (50, 379429), (59, 321550), (109, 174050), (118, 160775), (218, 87025), (295, 64310), (545, 34810), (590, 32155), (1090, 17405), (1475, 12862), (2725, 6962), (2950, 6431), (3481, 5450)]