19736572

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 35282016

約数和(自身を除く): 15545444

約数列:

[1, 2, 4, 73, 146, 257, 263, 292, 514, 526, 1028, 1052, 18761, 19199, 37522, 38398, 67591, 75044, 76796, 135182, 270364, 4934143, 9868286, 19736572]

約数ペア:

[(1, 19736572), (2, 9868286), (4, 4934143), (73, 270364), (146, 135182), (257, 76796), (263, 75044), (292, 67591), (514, 38398), (526, 37522), (1028, 19199), (1052, 18761)]