1812520366940

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{399233561}}^1$

素因数の和:399233797

約数の個数: 24

約数和(自身を含む): 3823060589712

約数和(自身を除く): 2010540222772

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 399233561, 798467122, 1596934244, 1996167805, 3992335610, 7984671220, 90626018347, 181252036694, 362504073388, 453130091735, 906260183470, 1812520366940]

約数ペア:

[(1, 1812520366940), (2, 906260183470), (4, 453130091735), (5, 362504073388), (10, 181252036694), (20, 90626018347), (227, 7984671220), (454, 3992335610), (908, 1996167805), (1135, 1596934244), (2270, 798467122), (4540, 399233561)]