18918150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4349}}^1$

素因数の和:4393

約数の個数: 48

約数和(自身を含む): 48546000

約数和(自身を除く): 29627850

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4349, 4350, 8698, 13047, 21745, 26094, 43490, 65235, 108725, 126121, 130470, 217450, 252242, 326175, 378363, 630605, 652350, 756726, 1261210, 1891815, 3153025, 3783630, 6306050, 9459075, 18918150]

約数ペア:

[(1, 18918150), (2, 9459075), (3, 6306050), (5, 3783630), (6, 3153025), (10, 1891815), (15, 1261210), (25, 756726), (29, 652350), (30, 630605), (50, 378363), (58, 326175), (75, 252242), (87, 217450), (145, 130470), (150, 126121), (174, 108725), (290, 65235), (435, 43490), (725, 26094), (870, 21745), (1450, 13047), (2175, 8698), (4349, 4350)]