19996944

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^3\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 57002304

約数和(自身を除く): 37005360

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 313, 363, 484, 528, 626, 726, 939, 968, 1252, 1331, 1452, 1878, 1936, 2504, 2662, 2904, 3443, 3756, 3993, 5008, 5324, 5808, 6886, 7512, 7986, 10329, 10648, 13772, 15024, 15972, 20658, 21296, 27544, 31944, 37873, 41316, 55088, 63888, 75746, 82632, 113619, 151492, 165264, 227238, 302984, 416603, 454476, 605968, 833206, 908952, 1249809, 1666412, 1817904, 2499618, 3332824, 4999236, 6665648, 9998472, 19996944]

約数ペア:

[(1, 19996944), (2, 9998472), (3, 6665648), (4, 4999236), (6, 3332824), (8, 2499618), (11, 1817904), (12, 1666412), (16, 1249809), (22, 908952), (24, 833206), (33, 605968), (44, 454476), (48, 416603), (66, 302984), (88, 227238), (121, 165264), (132, 151492), (176, 113619), (242, 82632), (264, 75746), (313, 63888), (363, 55088), (484, 41316), (528, 37873), (626, 31944), (726, 27544), (939, 21296), (968, 20658), (1252, 15972), (1331, 15024), (1452, 13772), (1878, 10648), (1936, 10329), (2504, 7986), (2662, 7512), (2904, 6886), (3443, 5808), (3756, 5324), (3993, 5008)]