1815978064

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{114761}}^1$

素因数の和:114835

約数の個数: 40

約数和(自身を含む): 3756848832

約数和(自身を除く): 1940870768

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 114761, 229522, 459044, 918088, 1836176, 2639503, 4934723, 5279006, 9869446, 10558012, 19738892, 21116024, 39477784, 42232048, 78955568, 113498629, 226997258, 453994516, 907989032, 1815978064]

約数ペア:

[(1, 1815978064), (2, 907989032), (4, 453994516), (8, 226997258), (16, 113498629), (23, 78955568), (43, 42232048), (46, 39477784), (86, 21116024), (92, 19738892), (172, 10558012), (184, 9869446), (344, 5279006), (368, 4934723), (688, 2639503), (989, 1836176), (1978, 918088), (3956, 459044), (7912, 229522), (15824, 114761)]