18726668

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 33974640

約数和(自身を除く): 15247972

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 1283, 2566, 3649, 5132, 7298, 14596, 52603, 105206, 114187, 210412, 228374, 456748, 4681667, 9363334, 18726668]

約数ペア:

[(1, 18726668), (2, 9363334), (4, 4681667), (41, 456748), (82, 228374), (89, 210412), (164, 114187), (178, 105206), (356, 52603), (1283, 14596), (2566, 7298), (3649, 5132)]