19981464

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 34450536

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 57, 58, 76, 87, 114, 116, 152, 174, 228, 232, 348, 456, 551, 696, 1102, 1511, 1653, 2204, 3022, 3306, 4408, 4533, 6044, 6612, 9066, 12088, 13224, 18132, 28709, 36264, 43819, 57418, 86127, 87638, 114836, 131457, 172254, 175276, 229672, 262914, 344508, 350552, 525828, 689016, 832561, 1051656, 1665122, 2497683, 3330244, 4995366, 6660488, 9990732, 19981464]

約数ペア:

[(1, 19981464), (2, 9990732), (3, 6660488), (4, 4995366), (6, 3330244), (8, 2497683), (12, 1665122), (19, 1051656), (24, 832561), (29, 689016), (38, 525828), (57, 350552), (58, 344508), (76, 262914), (87, 229672), (114, 175276), (116, 172254), (152, 131457), (174, 114836), (228, 87638), (232, 86127), (348, 57418), (456, 43819), (551, 36264), (696, 28709), (1102, 18132), (1511, 13224), (1653, 12088), (2204, 9066), (3022, 6612), (3306, 6044), (4408, 4533)]