18520884

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1031}}^1$

素因数の和:1540

約数の個数: 36

約数和(自身を含む): 46956000

約数和(自身を除く): 28435116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1031, 1497, 1996, 2062, 2994, 3093, 4124, 4491, 5988, 6186, 8982, 9279, 12372, 17964, 18558, 37116, 514469, 1028938, 1543407, 2057876, 3086814, 4630221, 6173628, 9260442, 18520884]

約数ペア:

[(1, 18520884), (2, 9260442), (3, 6173628), (4, 4630221), (6, 3086814), (9, 2057876), (12, 1543407), (18, 1028938), (36, 514469), (499, 37116), (998, 18558), (1031, 17964), (1497, 12372), (1996, 9279), (2062, 8982), (2994, 6186), (3093, 5988), (4124, 4491)]