19397763

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 36481536

約数和(自身を除く): 17083773

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1217, 1449, 1771, 2277, 3651, 5313, 8519, 10953, 13387, 15939, 25557, 27991, 40161, 76671, 83973, 93709, 120483, 195937, 251919, 281127, 307901, 587811, 843381, 923703, 1763433, 2155307, 2771109, 6465921, 19397763]

約数ペア:

[(1, 19397763), (3, 6465921), (7, 2771109), (9, 2155307), (11, 1763433), (21, 923703), (23, 843381), (33, 587811), (63, 307901), (69, 281127), (77, 251919), (99, 195937), (161, 120483), (207, 93709), (231, 83973), (253, 76671), (483, 40161), (693, 27991), (759, 25557), (1217, 15939), (1449, 13387), (1771, 10953), (2277, 8519), (3651, 5313)]