23305780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61331}}^1$

素因数の和:61359

約数の個数: 24

約数和(自身を含む): 51518880

約数和(自身を除く): 28213100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 61331, 122662, 245324, 306655, 613310, 1165289, 1226620, 2330578, 4661156, 5826445, 11652890, 23305780]

約数ペア:

[(1, 23305780), (2, 11652890), (4, 5826445), (5, 4661156), (10, 2330578), (19, 1226620), (20, 1165289), (38, 613310), (76, 306655), (95, 245324), (190, 122662), (380, 61331)]