19299231

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 15744609

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 701, 1197, 1311, 1449, 2103, 3059, 3933, 4907, 6309, 9177, 13319, 14721, 16123, 27531, 39957, 44163, 48369, 93233, 112861, 119871, 145107, 279699, 306337, 338583, 839097, 919011, 1015749, 2144359, 2757033, 6433077, 19299231]

約数ペア:

[(1, 19299231), (3, 6433077), (7, 2757033), (9, 2144359), (19, 1015749), (21, 919011), (23, 839097), (57, 338583), (63, 306337), (69, 279699), (133, 145107), (161, 119871), (171, 112861), (207, 93233), (399, 48369), (437, 44163), (483, 39957), (701, 27531), (1197, 16123), (1311, 14721), (1449, 13319), (2103, 9177), (3059, 6309), (3933, 4907)]