19432868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 22790236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 271, 364, 394, 542, 788, 1084, 1379, 1897, 2561, 2758, 3523, 3794, 5122, 5516, 7046, 7588, 10244, 14092, 17927, 24661, 35854, 49322, 53387, 71708, 98644, 106774, 213548, 373709, 694031, 747418, 1388062, 1494836, 2776124, 4858217, 9716434, 19432868]

約数ペア:

[(1, 19432868), (2, 9716434), (4, 4858217), (7, 2776124), (13, 1494836), (14, 1388062), (26, 747418), (28, 694031), (52, 373709), (91, 213548), (182, 106774), (197, 98644), (271, 71708), (364, 53387), (394, 49322), (542, 35854), (788, 24661), (1084, 17927), (1379, 14092), (1897, 10244), (2561, 7588), (2758, 7046), (3523, 5516), (3794, 5122)]