18749538

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 43670016

約数和(自身を除く): 24920478

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 71, 102, 142, 153, 213, 306, 426, 639, 863, 1207, 1278, 1726, 2414, 2589, 3621, 5178, 7242, 7767, 10863, 14671, 15534, 21726, 29342, 44013, 61273, 88026, 122546, 132039, 183819, 264078, 367638, 551457, 1041641, 1102914, 2083282, 3124923, 6249846, 9374769, 18749538]

約数ペア:

[(1, 18749538), (2, 9374769), (3, 6249846), (6, 3124923), (9, 2083282), (17, 1102914), (18, 1041641), (34, 551457), (51, 367638), (71, 264078), (102, 183819), (142, 132039), (153, 122546), (213, 88026), (306, 61273), (426, 44013), (639, 29342), (863, 21726), (1207, 15534), (1278, 14671), (1726, 10863), (2414, 7767), (2589, 7242), (3621, 5178)]