19826016021

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1153}}^1\times {\mathrm{1429}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 32951592960

約数和(自身を除く): 13125576939

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1153, 1337, 1429, 1719, 3459, 4011, 4287, 8071, 10003, 10377, 12033, 12861, 24213, 30009, 72639, 90027, 220223, 272939, 660669, 818817, 1541561, 1647637, 1910573, 1982007, 2456451, 4624683, 4942911, 5731719, 11533459, 13874049, 14828733, 17195157, 34600377, 103801131, 314698667, 944096001, 2202890669, 2832288003, 6608672007, 19826016021]

約数ペア:

[(1, 19826016021), (3, 6608672007), (7, 2832288003), (9, 2202890669), (21, 944096001), (63, 314698667), (191, 103801131), (573, 34600377), (1153, 17195157), (1337, 14828733), (1429, 13874049), (1719, 11533459), (3459, 5731719), (4011, 4942911), (4287, 4624683), (8071, 2456451), (10003, 1982007), (10377, 1910573), (12033, 1647637), (12861, 1541561), (24213, 818817), (30009, 660669), (72639, 272939), (90027, 220223)]