18989850932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{479881}}^1$

素因数の和:480659

約数の個数: 24

約数和(自身を含む): 35835668232

約数和(自身を除く): 16845817300

約数列:

[1, 2, 4, 13, 26, 52, 761, 1522, 3044, 9893, 19786, 39572, 479881, 959762, 1919524, 6238453, 12476906, 24953812, 365189441, 730378882, 1460757764, 4747462733, 9494925466, 18989850932]

約数ペア:

[(1, 18989850932), (2, 9494925466), (4, 4747462733), (13, 1460757764), (26, 730378882), (52, 365189441), (761, 24953812), (1522, 12476906), (3044, 6238453), (9893, 1919524), (19786, 959762), (39572, 479881)]