19624899

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 31043584

約数和(自身を除く): 11418685

約数列:

[1, 3, 7, 21, 43, 103, 129, 211, 301, 309, 633, 721, 903, 1477, 2163, 4429, 4431, 9073, 13287, 21733, 27219, 31003, 63511, 65199, 93009, 152131, 190533, 456393, 934519, 2803557, 6541633, 19624899]

約数ペア:

[(1, 19624899), (3, 6541633), (7, 2803557), (21, 934519), (43, 456393), (103, 190533), (129, 152131), (211, 93009), (301, 65199), (309, 63511), (633, 31003), (721, 27219), (903, 21733), (1477, 13287), (2163, 9073), (4429, 4431)]