18859972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2333}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 34505856

約数和(自身を除く): 15645884

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 2021, 2333, 4042, 4666, 8084, 9332, 100319, 109651, 200638, 219302, 401276, 438604, 4714993, 9429986, 18859972]

約数ペア:

[(1, 18859972), (2, 9429986), (4, 4714993), (43, 438604), (47, 401276), (86, 219302), (94, 200638), (172, 109651), (188, 100319), (2021, 9332), (2333, 8084), (4042, 4666)]