19198982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28151}}^1$

素因数の和:28195

約数の個数: 16

約数和(自身を含む): 32431104

約数和(自身を除く): 13232122

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28151, 56302, 309661, 619322, 872681, 1745362, 9599491, 19198982]

約数ペア:

[(1, 19198982), (2, 9599491), (11, 1745362), (22, 872681), (31, 619322), (62, 309661), (341, 56302), (682, 28151)]