19992350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{239}}^2$

素因数の和:497

約数の個数: 36

約数和(自身を含む): 42676584

約数和(自身を除く): 22684234

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 239, 350, 478, 1195, 1673, 2390, 3346, 5975, 8365, 11950, 16730, 41825, 57121, 83650, 114242, 285605, 399847, 571210, 799694, 1428025, 1999235, 2856050, 3998470, 9996175, 19992350]

約数ペア:

[(1, 19992350), (2, 9996175), (5, 3998470), (7, 2856050), (10, 1999235), (14, 1428025), (25, 799694), (35, 571210), (50, 399847), (70, 285605), (175, 114242), (239, 83650), (350, 57121), (478, 41825), (1195, 16730), (1673, 11950), (2390, 8365), (3346, 5975)]