18534873

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 10772007

約数列:

[1, 3, 7, 21, 47, 89, 141, 211, 267, 329, 623, 633, 987, 1477, 1869, 4183, 4431, 9917, 12549, 18779, 29281, 29751, 56337, 69419, 87843, 131453, 208257, 394359, 882613, 2647839, 6178291, 18534873]

約数ペア:

[(1, 18534873), (3, 6178291), (7, 2647839), (21, 882613), (47, 394359), (89, 208257), (141, 131453), (211, 87843), (267, 69419), (329, 56337), (623, 29751), (633, 29281), (987, 18779), (1477, 12549), (1869, 9917), (4183, 4431)]