19681284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 55996416

約数和(自身を除く): 36315132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 61, 69, 84, 92, 122, 138, 161, 167, 183, 244, 276, 322, 334, 366, 427, 483, 501, 644, 668, 732, 854, 966, 1002, 1169, 1281, 1403, 1708, 1932, 2004, 2338, 2562, 2806, 3507, 3841, 4209, 4676, 5124, 5612, 7014, 7682, 8418, 9821, 10187, 11523, 14028, 15364, 16836, 19642, 20374, 23046, 26887, 29463, 30561, 39284, 40748, 46092, 53774, 58926, 61122, 71309, 80661, 107548, 117852, 122244, 142618, 161322, 213927, 234301, 285236, 322644, 427854, 468602, 702903, 855708, 937204, 1405806, 1640107, 2811612, 3280214, 4920321, 6560428, 9840642, 19681284]

約数ペア:

[(1, 19681284), (2, 9840642), (3, 6560428), (4, 4920321), (6, 3280214), (7, 2811612), (12, 1640107), (14, 1405806), (21, 937204), (23, 855708), (28, 702903), (42, 468602), (46, 427854), (61, 322644), (69, 285236), (84, 234301), (92, 213927), (122, 161322), (138, 142618), (161, 122244), (167, 117852), (183, 107548), (244, 80661), (276, 71309), (322, 61122), (334, 58926), (366, 53774), (427, 46092), (483, 40748), (501, 39284), (644, 30561), (668, 29463), (732, 26887), (854, 23046), (966, 20374), (1002, 19642), (1169, 16836), (1281, 15364), (1403, 14028), (1708, 11523), (1932, 10187), (2004, 9821), (2338, 8418), (2562, 7682), (2806, 7014), (3507, 5612), (3841, 5124), (4209, 4676)]