19205355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 33364800

約数和(自身を除く): 14159445

約数列:

[1, 3, 5, 13, 15, 39, 65, 149, 195, 447, 661, 745, 1937, 1983, 2235, 3305, 5811, 8593, 9685, 9915, 25779, 29055, 42965, 98489, 128895, 295467, 492445, 1280357, 1477335, 3841071, 6401785, 19205355]

約数ペア:

[(1, 19205355), (3, 6401785), (5, 3841071), (13, 1477335), (15, 1280357), (39, 492445), (65, 295467), (149, 128895), (195, 98489), (447, 42965), (661, 29055), (745, 25779), (1937, 9915), (1983, 9685), (2235, 8593), (3305, 5811)]