19200699

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 34583040

約数和(自身を除く): 15382341

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 631, 1127, 1323, 1449, 1893, 3381, 4347, 4417, 5679, 10143, 13251, 14513, 17037, 30429, 30919, 39753, 43539, 92757, 101591, 119259, 130617, 278271, 304773, 391851, 711137, 834813, 914319, 2133411, 2742957, 6400233, 19200699]

約数ペア:

[(1, 19200699), (3, 6400233), (7, 2742957), (9, 2133411), (21, 914319), (23, 834813), (27, 711137), (49, 391851), (63, 304773), (69, 278271), (147, 130617), (161, 119259), (189, 101591), (207, 92757), (441, 43539), (483, 39753), (621, 30919), (631, 30429), (1127, 17037), (1323, 14513), (1449, 13251), (1893, 10143), (3381, 5679), (4347, 4417)]