19986948

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2111}}^1$

素因数の和:2384

約数の個数: 36

約数和(自身を含む): 50738688

約数和(自身を除く): 30751740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2111, 2367, 3156, 4222, 4734, 6333, 8444, 9468, 12666, 18999, 25332, 37998, 75996, 555193, 1110386, 1665579, 2220772, 3331158, 4996737, 6662316, 9993474, 19986948]

約数ペア:

[(1, 19986948), (2, 9993474), (3, 6662316), (4, 4996737), (6, 3331158), (9, 2220772), (12, 1665579), (18, 1110386), (36, 555193), (263, 75996), (526, 37998), (789, 25332), (1052, 18999), (1578, 12666), (2111, 9468), (2367, 8444), (3156, 6333), (4222, 4734)]