18886910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11731}}^1$

素因数の和:11768

約数の個数: 32

約数和(自身を含む): 40545792

約数和(自身を除く): 21658882

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 11731, 23462, 58655, 82117, 117310, 164234, 269813, 410585, 539626, 821170, 1349065, 1888691, 2698130, 3777382, 9443455, 18886910]

約数ペア:

[(1, 18886910), (2, 9443455), (5, 3777382), (7, 2698130), (10, 1888691), (14, 1349065), (23, 821170), (35, 539626), (46, 410585), (70, 269813), (115, 164234), (161, 117310), (230, 82117), (322, 58655), (805, 23462), (1610, 11731)]