18999198

素因数分解:

$2^1\times 3^6\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 56

約数和(自身を含む): 43518888

約数和(自身を除く): 24519690

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 157, 162, 166, 243, 249, 314, 471, 486, 498, 729, 747, 942, 1413, 1458, 1494, 2241, 2826, 4239, 4482, 6723, 8478, 12717, 13031, 13446, 20169, 25434, 26062, 38151, 39093, 40338, 60507, 76302, 78186, 114453, 117279, 121014, 228906, 234558, 351837, 703674, 1055511, 2111022, 3166533, 6333066, 9499599, 18999198]

約数ペア:

[(1, 18999198), (2, 9499599), (3, 6333066), (6, 3166533), (9, 2111022), (18, 1055511), (27, 703674), (54, 351837), (81, 234558), (83, 228906), (157, 121014), (162, 117279), (166, 114453), (243, 78186), (249, 76302), (314, 60507), (471, 40338), (486, 39093), (498, 38151), (729, 26062), (747, 25434), (942, 20169), (1413, 13446), (1458, 13031), (1494, 12717), (2241, 8478), (2826, 6723), (4239, 4482)]