19943144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1697}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 40650120

約数和(自身を除く): 20706976

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1697, 2938, 3394, 5876, 6788, 11752, 13576, 22061, 44122, 88244, 176488, 191761, 383522, 767044, 1534088, 2492893, 4985786, 9971572, 19943144]

約数ペア:

[(1, 19943144), (2, 9971572), (4, 4985786), (8, 2492893), (13, 1534088), (26, 767044), (52, 383522), (104, 191761), (113, 176488), (226, 88244), (452, 44122), (904, 22061), (1469, 13576), (1697, 11752), (2938, 6788), (3394, 5876)]