18245072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 37777344

約数和(自身を除く): 19532272

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1153, 1978, 2306, 3956, 4612, 7912, 9224, 15824, 18448, 26519, 49579, 53038, 99158, 106076, 198316, 212152, 396632, 424304, 793264, 1140317, 2280634, 4561268, 9122536, 18245072]

約数ペア:

[(1, 18245072), (2, 9122536), (4, 4561268), (8, 2280634), (16, 1140317), (23, 793264), (43, 424304), (46, 396632), (86, 212152), (92, 198316), (172, 106076), (184, 99158), (344, 53038), (368, 49579), (688, 26519), (989, 18448), (1153, 15824), (1978, 9224), (2306, 7912), (3956, 4612)]