19929822

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 47831040

約数和(自身を除く): 27901218

約数列:

[1, 2, 3, 6, 11, 19, 22, 23, 33, 38, 46, 57, 66, 69, 114, 138, 209, 253, 418, 437, 506, 627, 691, 759, 874, 1254, 1311, 1382, 1518, 2073, 2622, 4146, 4807, 7601, 9614, 13129, 14421, 15202, 15893, 22803, 26258, 28842, 31786, 39387, 45606, 47679, 78774, 95358, 144419, 174823, 288838, 301967, 349646, 433257, 524469, 603934, 866514, 905901, 1048938, 1811802, 3321637, 6643274, 9964911, 19929822]

約数ペア:

[(1, 19929822), (2, 9964911), (3, 6643274), (6, 3321637), (11, 1811802), (19, 1048938), (22, 905901), (23, 866514), (33, 603934), (38, 524469), (46, 433257), (57, 349646), (66, 301967), (69, 288838), (114, 174823), (138, 144419), (209, 95358), (253, 78774), (418, 47679), (437, 45606), (506, 39387), (627, 31786), (691, 28842), (759, 26258), (874, 22803), (1254, 15893), (1311, 15202), (1382, 14421), (1518, 13129), (2073, 9614), (2622, 7601), (4146, 4807)]