18541386

素因数分解:

$2^1\times 3^{10}\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 44

約数和(自身を含む): 41983602

約数和(自身を除く): 23442216

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 243, 314, 471, 486, 729, 942, 1413, 1458, 2187, 2826, 4239, 4374, 6561, 8478, 12717, 13122, 19683, 25434, 38151, 39366, 59049, 76302, 114453, 118098, 228906, 343359, 686718, 1030077, 2060154, 3090231, 6180462, 9270693, 18541386]

約数ペア:

[(1, 18541386), (2, 9270693), (3, 6180462), (6, 3090231), (9, 2060154), (18, 1030077), (27, 686718), (54, 343359), (81, 228906), (157, 118098), (162, 114453), (243, 76302), (314, 59049), (471, 39366), (486, 38151), (729, 25434), (942, 19683), (1413, 13122), (1458, 12717), (2187, 8478), (2826, 6561), (4239, 4374)]