18188028

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 49297248

約数和(自身を除く): 31109220

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 113, 153, 204, 226, 263, 306, 339, 452, 526, 612, 678, 789, 1017, 1052, 1356, 1578, 1921, 2034, 2367, 3156, 3842, 4068, 4471, 4734, 5763, 7684, 8942, 9468, 11526, 13413, 17289, 17884, 23052, 26826, 29719, 34578, 40239, 53652, 59438, 69156, 80478, 89157, 118876, 160956, 178314, 267471, 356628, 505223, 534942, 1010446, 1069884, 1515669, 2020892, 3031338, 4547007, 6062676, 9094014, 18188028]

約数ペア:

[(1, 18188028), (2, 9094014), (3, 6062676), (4, 4547007), (6, 3031338), (9, 2020892), (12, 1515669), (17, 1069884), (18, 1010446), (34, 534942), (36, 505223), (51, 356628), (68, 267471), (102, 178314), (113, 160956), (153, 118876), (204, 89157), (226, 80478), (263, 69156), (306, 59438), (339, 53652), (452, 40239), (526, 34578), (612, 29719), (678, 26826), (789, 23052), (1017, 17884), (1052, 17289), (1356, 13413), (1578, 11526), (1921, 9468), (2034, 8942), (2367, 7684), (3156, 5763), (3842, 4734), (4068, 4471)]