18488673

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 32962176

約数和(自身を除く): 14473503

約数列:

[1, 3, 7, 9, 17, 21, 51, 61, 63, 119, 153, 183, 283, 357, 427, 549, 849, 1037, 1071, 1281, 1981, 2547, 3111, 3843, 4811, 5943, 7259, 9333, 14433, 17263, 17829, 21777, 33677, 43299, 51789, 65331, 101031, 120841, 155367, 293471, 303093, 362523, 880413, 1087569, 2054297, 2641239, 6162891, 18488673]

約数ペア:

[(1, 18488673), (3, 6162891), (7, 2641239), (9, 2054297), (17, 1087569), (21, 880413), (51, 362523), (61, 303093), (63, 293471), (119, 155367), (153, 120841), (183, 101031), (283, 65331), (357, 51789), (427, 43299), (549, 33677), (849, 21777), (1037, 17829), (1071, 17263), (1281, 14433), (1981, 9333), (2547, 7259), (3111, 5943), (3843, 4811)]