18996372

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3361}}^1$

素因数の和:3528

約数の個数: 36

約数和(自身を含む): 48338836

約数和(自身を除く): 29342464

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3361, 5652, 6722, 10083, 13444, 20166, 30249, 40332, 60498, 120996, 527677, 1055354, 1583031, 2110708, 3166062, 4749093, 6332124, 9498186, 18996372]

約数ペア:

[(1, 18996372), (2, 9498186), (3, 6332124), (4, 4749093), (6, 3166062), (9, 2110708), (12, 1583031), (18, 1055354), (36, 527677), (157, 120996), (314, 60498), (471, 40332), (628, 30249), (942, 20166), (1413, 13444), (1884, 10083), (2826, 6722), (3361, 5652)]