18104988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 47831056

約数和(自身を除く): 29726068

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 121, 132, 148, 222, 242, 337, 363, 407, 444, 484, 674, 726, 814, 1011, 1221, 1348, 1452, 1628, 2022, 2442, 3707, 4044, 4477, 4884, 7414, 8954, 11121, 12469, 13431, 14828, 17908, 22242, 24938, 26862, 37407, 40777, 44484, 49876, 53724, 74814, 81554, 122331, 137159, 149628, 163108, 244662, 274318, 411477, 489324, 548636, 822954, 1508749, 1645908, 3017498, 4526247, 6034996, 9052494, 18104988]

約数ペア:

[(1, 18104988), (2, 9052494), (3, 6034996), (4, 4526247), (6, 3017498), (11, 1645908), (12, 1508749), (22, 822954), (33, 548636), (37, 489324), (44, 411477), (66, 274318), (74, 244662), (111, 163108), (121, 149628), (132, 137159), (148, 122331), (222, 81554), (242, 74814), (337, 53724), (363, 49876), (407, 44484), (444, 40777), (484, 37407), (674, 26862), (726, 24938), (814, 22242), (1011, 17908), (1221, 14828), (1348, 13431), (1452, 12469), (1628, 11121), (2022, 8954), (2442, 7414), (3707, 4884), (4044, 4477)]