19616870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21557}}^1$

素因数の和:21584

約数の個数: 32

約数和(自身を含む): 43460928

約数和(自身を除く): 23844058

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21557, 43114, 107785, 150899, 215570, 280241, 301798, 560482, 754495, 1401205, 1508990, 1961687, 2802410, 3923374, 9808435, 19616870]

約数ペア:

[(1, 19616870), (2, 9808435), (5, 3923374), (7, 2802410), (10, 1961687), (13, 1508990), (14, 1401205), (26, 754495), (35, 560482), (65, 301798), (70, 280241), (91, 215570), (130, 150899), (182, 107785), (455, 43114), (910, 21557)]