18279235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 32

約数和(自身を含む): 25542720

約数和(自身を除く): 7263485

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 361, 533, 779, 1235, 1805, 2665, 3895, 4693, 6859, 10127, 14801, 23465, 34295, 50635, 74005, 89167, 192413, 281219, 445835, 962065, 1406095, 3655847, 18279235]

約数ペア:

[(1, 18279235), (5, 3655847), (13, 1406095), (19, 962065), (41, 445835), (65, 281219), (95, 192413), (205, 89167), (247, 74005), (361, 50635), (533, 34295), (779, 23465), (1235, 14801), (1805, 10127), (2665, 6859), (3895, 4693)]