18856780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40993}}^1$

素因数の和:41025

約数の個数: 24

約数和(自身を含む): 41321952

約数和(自身を除く): 22465172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40993, 81986, 163972, 204965, 409930, 819860, 942839, 1885678, 3771356, 4714195, 9428390, 18856780]

約数ペア:

[(1, 18856780), (2, 9428390), (4, 4714195), (5, 3771356), (10, 1885678), (20, 942839), (23, 819860), (46, 409930), (92, 204965), (115, 163972), (230, 81986), (460, 40993)]