19867276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 21904244

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 94, 143, 188, 286, 517, 572, 611, 739, 1034, 1222, 1478, 2068, 2444, 2956, 6721, 8129, 9607, 13442, 16258, 19214, 26884, 32516, 34733, 38428, 69466, 105677, 138932, 211354, 382063, 422708, 451529, 764126, 903058, 1528252, 1806116, 4966819, 9933638, 19867276]

約数ペア:

[(1, 19867276), (2, 9933638), (4, 4966819), (11, 1806116), (13, 1528252), (22, 903058), (26, 764126), (44, 451529), (47, 422708), (52, 382063), (94, 211354), (143, 138932), (188, 105677), (286, 69466), (517, 38428), (572, 34733), (611, 32516), (739, 26884), (1034, 19214), (1222, 16258), (1478, 13442), (2068, 9607), (2444, 8129), (2956, 6721)]