19671856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2389

約数の個数: 40

約数和(自身を含む): 41675904

約数和(自身を除く): 22004048

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2333, 4216, 4666, 8432, 9332, 18664, 37328, 39661, 72323, 79322, 144646, 158644, 289292, 317288, 578584, 634576, 1157168, 1229491, 2458982, 4917964, 9835928, 19671856]

約数ペア:

[(1, 19671856), (2, 9835928), (4, 4917964), (8, 2458982), (16, 1229491), (17, 1157168), (31, 634576), (34, 578584), (62, 317288), (68, 289292), (124, 158644), (136, 144646), (248, 79322), (272, 72323), (496, 39661), (527, 37328), (1054, 18664), (2108, 9332), (2333, 8432), (4216, 4666)]