19396377

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 37634688

約数和(自身を除く): 18238311

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2153, 3003, 6459, 9009, 15071, 19377, 23683, 27989, 45213, 71049, 83967, 135639, 165781, 195923, 213147, 251901, 307879, 497343, 587769, 923637, 1492029, 1763307, 2155153, 2770911, 6465459, 19396377]

約数ペア:

[(1, 19396377), (3, 6465459), (7, 2770911), (9, 2155153), (11, 1763307), (13, 1492029), (21, 923637), (33, 587769), (39, 497343), (63, 307879), (77, 251901), (91, 213147), (99, 195923), (117, 165781), (143, 135639), (231, 83967), (273, 71049), (429, 45213), (693, 27989), (819, 23683), (1001, 19377), (1287, 15071), (2153, 9009), (3003, 6459)]