16503580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 35957376

約数和(自身を除く): 19453796

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 181, 188, 194, 235, 362, 388, 470, 485, 724, 905, 940, 970, 1810, 1940, 3620, 4559, 8507, 9118, 17014, 17557, 18236, 22795, 34028, 35114, 42535, 45590, 70228, 85070, 87785, 91180, 170140, 175570, 351140, 825179, 1650358, 3300716, 4125895, 8251790, 16503580]

約数ペア:

[(1, 16503580), (2, 8251790), (4, 4125895), (5, 3300716), (10, 1650358), (20, 825179), (47, 351140), (94, 175570), (97, 170140), (181, 91180), (188, 87785), (194, 85070), (235, 70228), (362, 45590), (388, 42535), (470, 35114), (485, 34028), (724, 22795), (905, 18236), (940, 17557), (970, 17014), (1810, 9118), (1940, 8507), (3620, 4559)]