19100848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 40216176

約数和(自身を除く): 21115328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 701, 1048, 1402, 1703, 2096, 2804, 3406, 5608, 6812, 9113, 11216, 13624, 18226, 27248, 36452, 72904, 91831, 145808, 183662, 367324, 734648, 1193803, 1469296, 2387606, 4775212, 9550424, 19100848]

約数ペア:

[(1, 19100848), (2, 9550424), (4, 4775212), (8, 2387606), (13, 1469296), (16, 1193803), (26, 734648), (52, 367324), (104, 183662), (131, 145808), (208, 91831), (262, 72904), (524, 36452), (701, 27248), (1048, 18226), (1402, 13624), (1703, 11216), (2096, 9113), (2804, 6812), (3406, 5608)]