31988780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84181}}^1$

素因数の和:84209

約数の個数: 24

約数和(自身を含む): 70712880

約数和(自身を除く): 38724100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 84181, 168362, 336724, 420905, 841810, 1599439, 1683620, 3198878, 6397756, 7997195, 15994390, 31988780]

約数ペア:

[(1, 31988780), (2, 15994390), (4, 7997195), (5, 6397756), (10, 3198878), (19, 1683620), (20, 1599439), (38, 841810), (76, 420905), (95, 336724), (190, 168362), (380, 84181)]