19489998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1499}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 23278002

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 197, 394, 591, 1182, 1499, 2167, 2998, 4334, 4497, 6501, 8994, 13002, 16489, 32978, 49467, 98934, 295303, 590606, 885909, 1771818, 3248333, 6496666, 9744999, 19489998]

約数ペア:

[(1, 19489998), (2, 9744999), (3, 6496666), (6, 3248333), (11, 1771818), (22, 885909), (33, 590606), (66, 295303), (197, 98934), (394, 49467), (591, 32978), (1182, 16489), (1499, 13002), (2167, 8994), (2998, 6501), (4334, 4497)]