18911196

素因数分解:

$2^2\times 3^2\times {\mathrm{541}}^1\times {\mathrm{971}}^1$

素因数の和:1522

約数の個数: 36

約数和(自身を含む): 47940984

約数和(自身を除く): 29029788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541, 971, 1082, 1623, 1942, 2164, 2913, 3246, 3884, 4869, 5826, 6492, 8739, 9738, 11652, 17478, 19476, 34956, 525311, 1050622, 1575933, 2101244, 3151866, 4727799, 6303732, 9455598, 18911196]

約数ペア:

[(1, 18911196), (2, 9455598), (3, 6303732), (4, 4727799), (6, 3151866), (9, 2101244), (12, 1575933), (18, 1050622), (36, 525311), (541, 34956), (971, 19476), (1082, 17478), (1623, 11652), (1942, 9738), (2164, 8739), (2913, 6492), (3246, 5826), (3884, 4869)]