18746984

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{683}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 17696536

約数列:

[1, 2, 4, 8, 47, 73, 94, 146, 188, 292, 376, 584, 683, 1366, 2732, 3431, 5464, 6862, 13724, 27448, 32101, 49859, 64202, 99718, 128404, 199436, 256808, 398872, 2343373, 4686746, 9373492, 18746984]

約数ペア:

[(1, 18746984), (2, 9373492), (4, 4686746), (8, 2343373), (47, 398872), (73, 256808), (94, 199436), (146, 128404), (188, 99718), (292, 64202), (376, 49859), (584, 32101), (683, 27448), (1366, 13724), (2732, 6862), (3431, 5464)]