20180643858

素因数分解:

$2^1\times 3^3\times {\mathrm{2143}}^1\times {\mathrm{174389}}^1$

素因数の和:176543

約数の個数: 32

約数和(自身を含む): 44867059200

約数和(自身を除く): 24686415342

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2143, 4286, 6429, 12858, 19287, 38574, 57861, 115722, 174389, 348778, 523167, 1046334, 1569501, 3139002, 4708503, 9417006, 373715627, 747431254, 1121146881, 2242293762, 3363440643, 6726881286, 10090321929, 20180643858]

約数ペア:

[(1, 20180643858), (2, 10090321929), (3, 6726881286), (6, 3363440643), (9, 2242293762), (18, 1121146881), (27, 747431254), (54, 373715627), (2143, 9417006), (4286, 4708503), (6429, 3139002), (12858, 1569501), (19287, 1046334), (38574, 523167), (57861, 348778), (115722, 174389)]