19521964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 42932736

約数和(自身を除く): 23410772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 241, 263, 308, 482, 526, 964, 1052, 1687, 1841, 2651, 2893, 3374, 3682, 5302, 5786, 6748, 7364, 10604, 11572, 18557, 20251, 37114, 40502, 63383, 74228, 81004, 126766, 253532, 443681, 697213, 887362, 1394426, 1774724, 2788852, 4880491, 9760982, 19521964]

約数ペア:

[(1, 19521964), (2, 9760982), (4, 4880491), (7, 2788852), (11, 1774724), (14, 1394426), (22, 887362), (28, 697213), (44, 443681), (77, 253532), (154, 126766), (241, 81004), (263, 74228), (308, 63383), (482, 40502), (526, 37114), (964, 20251), (1052, 18557), (1687, 11572), (1841, 10604), (2651, 7364), (2893, 6748), (3374, 5786), (3682, 5302)]