19840511860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{75629}}^1$

素因数の和:76660

約数の個数: 48

約数和(自身を含む): 44915144400

約数和(自身を除く): 25074632540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1009, 2018, 4036, 5045, 10090, 13117, 20180, 26234, 52468, 65585, 75629, 131170, 151258, 262340, 302516, 378145, 756290, 983177, 1512580, 1966354, 3932708, 4915885, 9831770, 19663540, 76309661, 152619322, 305238644, 381548305, 763096610, 992025593, 1526193220, 1984051186, 3968102372, 4960127965, 9920255930, 19840511860]

約数ペア:

[(1, 19840511860), (2, 9920255930), (4, 4960127965), (5, 3968102372), (10, 1984051186), (13, 1526193220), (20, 992025593), (26, 763096610), (52, 381548305), (65, 305238644), (130, 152619322), (260, 76309661), (1009, 19663540), (2018, 9831770), (4036, 4915885), (5045, 3932708), (10090, 1966354), (13117, 1512580), (20180, 983177), (26234, 756290), (52468, 378145), (65585, 302516), (75629, 262340), (131170, 151258)]