19915742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1736

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17823778

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 154, 158, 553, 869, 1106, 1637, 1738, 3274, 6083, 11459, 12166, 18007, 22918, 36014, 126049, 129323, 252098, 258646, 905261, 1422553, 1810522, 2845106, 9957871, 19915742]

約数ペア:

[(1, 19915742), (2, 9957871), (7, 2845106), (11, 1810522), (14, 1422553), (22, 905261), (77, 258646), (79, 252098), (154, 129323), (158, 126049), (553, 36014), (869, 22918), (1106, 18007), (1637, 12166), (1738, 11459), (3274, 6083)]