18649605212

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1303439}}^1$

素因数の和:1303530

約数の個数: 36

約数和(自身を含む): 38485369440

約数和(自身を除く): 19835764228

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 2044, 3577, 7154, 14308, 1303439, 2606878, 5213756, 9124073, 18248146, 36496292, 63868511, 95151047, 127737022, 190302094, 255474044, 380604188, 666057329, 1332114658, 2664229316, 4662401303, 9324802606, 18649605212]

約数ペア:

[(1, 18649605212), (2, 9324802606), (4, 4662401303), (7, 2664229316), (14, 1332114658), (28, 666057329), (49, 380604188), (73, 255474044), (98, 190302094), (146, 127737022), (196, 95151047), (292, 63868511), (511, 36496292), (1022, 18248146), (2044, 9124073), (3577, 5213756), (7154, 2606878), (14308, 1303439)]