18508728004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{108089}}^1$

素因数の和:108232

約数の個数: 48

約数和(自身を含む): 36227444400

約数和(自身を除く): 17718716396

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 89, 148, 178, 356, 481, 962, 1157, 1924, 2314, 3293, 4628, 6586, 13172, 42809, 85618, 108089, 171236, 216178, 432356, 1405157, 2810314, 3999293, 5620628, 7998586, 9619921, 15997172, 19239842, 38479684, 51990809, 103981618, 125058973, 207963236, 250117946, 355937077, 500235892, 711874154, 1423748308, 4627182001, 9254364002, 18508728004]

約数ペア:

[(1, 18508728004), (2, 9254364002), (4, 4627182001), (13, 1423748308), (26, 711874154), (37, 500235892), (52, 355937077), (74, 250117946), (89, 207963236), (148, 125058973), (178, 103981618), (356, 51990809), (481, 38479684), (962, 19239842), (1157, 15997172), (1924, 9619921), (2314, 7998586), (3293, 5620628), (4628, 3999293), (6586, 2810314), (13172, 1405157), (42809, 432356), (85618, 216178), (108089, 171236)]