19618950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10061}}^1$

素因数の和:10089

約数の個数: 48

約数和(自身を含む): 52402896

約数和(自身を除く): 32783946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10061, 20122, 30183, 50305, 60366, 100610, 130793, 150915, 251525, 261586, 301830, 392379, 503050, 653965, 754575, 784758, 1307930, 1509150, 1961895, 3269825, 3923790, 6539650, 9809475, 19618950]

約数ペア:

[(1, 19618950), (2, 9809475), (3, 6539650), (5, 3923790), (6, 3269825), (10, 1961895), (13, 1509150), (15, 1307930), (25, 784758), (26, 754575), (30, 653965), (39, 503050), (50, 392379), (65, 301830), (75, 261586), (78, 251525), (130, 150915), (150, 130793), (195, 100610), (325, 60366), (390, 50305), (650, 30183), (975, 20122), (1950, 10061)]