19391438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 34871040

約数和(自身を除く): 15479602

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 2017, 4034, 4807, 9614, 22187, 38323, 44374, 46391, 76646, 92782, 421553, 510301, 843106, 881429, 1020602, 1762858, 9695719, 19391438]

約数ペア:

[(1, 19391438), (2, 9695719), (11, 1762858), (19, 1020602), (22, 881429), (23, 843106), (38, 510301), (46, 421553), (209, 92782), (253, 76646), (418, 46391), (437, 44374), (506, 38323), (874, 22187), (2017, 9614), (4034, 4807)]