18691602

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 23298798

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 71, 87, 89, 102, 142, 174, 178, 213, 267, 426, 493, 534, 986, 1207, 1479, 1513, 2059, 2414, 2581, 2958, 3026, 3621, 4118, 4539, 5162, 6177, 6319, 7242, 7743, 9078, 12354, 12638, 15486, 18957, 35003, 37914, 43877, 70006, 87754, 105009, 107423, 131631, 183251, 210018, 214846, 263262, 322269, 366502, 549753, 644538, 1099506, 3115267, 6230534, 9345801, 18691602]

約数ペア:

[(1, 18691602), (2, 9345801), (3, 6230534), (6, 3115267), (17, 1099506), (29, 644538), (34, 549753), (51, 366502), (58, 322269), (71, 263262), (87, 214846), (89, 210018), (102, 183251), (142, 131631), (174, 107423), (178, 105009), (213, 87754), (267, 70006), (426, 43877), (493, 37914), (534, 35003), (986, 18957), (1207, 15486), (1479, 12638), (1513, 12354), (2059, 9078), (2414, 7743), (2581, 7242), (2958, 6319), (3026, 6177), (3621, 5162), (4118, 4539)]