19749735

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4261}}^1$

素因数の和:4375

約数の個数: 24

約数和(自身を含む): 34573344

約数和(自身を除く): 14823609

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4261, 4635, 12783, 21305, 38349, 63915, 191745, 438883, 1316649, 2194415, 3949947, 6583245, 19749735]

約数ペア:

[(1, 19749735), (3, 6583245), (5, 3949947), (9, 2194415), (15, 1316649), (45, 438883), (103, 191745), (309, 63915), (515, 38349), (927, 21305), (1545, 12783), (4261, 4635)]