19388299

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1901}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 23371776

約数和(自身を除く): 3983477

約数列:

[1, 7, 31, 47, 217, 329, 1457, 1901, 10199, 13307, 58931, 89347, 412517, 625429, 2769757, 19388299]

約数ペア:

[(1, 19388299), (7, 2769757), (31, 625429), (47, 412517), (217, 89347), (329, 58931), (1457, 13307), (1901, 10199)]