19993468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12281}}^1$

素因数の和:12333

約数の個数: 24

約数和(自身を含む): 39204144

約数和(自身を除く): 19210676

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12281, 24562, 49124, 135091, 270182, 454397, 540364, 908794, 1817588, 4998367, 9996734, 19993468]

約数ペア:

[(1, 19993468), (2, 9996734), (4, 4998367), (11, 1817588), (22, 908794), (37, 540364), (44, 454397), (74, 270182), (148, 135091), (407, 49124), (814, 24562), (1628, 12281)]