18521228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2294

約数の個数: 36

約数和(自身を含む): 37739016

約数和(自身を除く): 19217788

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2251, 4114, 4502, 8228, 9004, 24761, 38267, 49522, 76534, 99044, 153068, 272371, 420937, 544742, 841874, 1089484, 1683748, 4630307, 9260614, 18521228]

約数ペア:

[(1, 18521228), (2, 9260614), (4, 4630307), (11, 1683748), (17, 1089484), (22, 841874), (34, 544742), (44, 420937), (68, 272371), (121, 153068), (187, 99044), (242, 76534), (374, 49522), (484, 38267), (748, 24761), (2057, 9004), (2251, 8228), (4114, 4502)]