19514968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1051}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 40144320

約数和(自身を除く): 20629352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 211, 422, 844, 1051, 1688, 2102, 2321, 4204, 4642, 8408, 9284, 11561, 18568, 23122, 46244, 92488, 221761, 443522, 887044, 1774088, 2439371, 4878742, 9757484, 19514968]

約数ペア:

[(1, 19514968), (2, 9757484), (4, 4878742), (8, 2439371), (11, 1774088), (22, 887044), (44, 443522), (88, 221761), (211, 92488), (422, 46244), (844, 23122), (1051, 18568), (1688, 11561), (2102, 9284), (2321, 8408), (4204, 4642)]