19627945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 25941384

約数和(自身を除く): 6313439

約数列:

[1, 5, 17, 37, 79, 85, 185, 395, 629, 1343, 2923, 3145, 6241, 6715, 14615, 31205, 49691, 106097, 230917, 248455, 530485, 1154585, 3925589, 19627945]

約数ペア:

[(1, 19627945), (5, 3925589), (17, 1154585), (37, 530485), (79, 248455), (85, 230917), (185, 106097), (395, 49691), (629, 31205), (1343, 14615), (2923, 6715), (3145, 6241)]