19339408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109883}}^1$

素因数の和:109902

約数の個数: 20

約数和(自身を含む): 40876848

約数和(自身を除く): 21537440

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109883, 219766, 439532, 879064, 1208713, 1758128, 2417426, 4834852, 9669704, 19339408]

約数ペア:

[(1, 19339408), (2, 9669704), (4, 4834852), (8, 2417426), (11, 1758128), (16, 1208713), (22, 879064), (44, 439532), (88, 219766), (176, 109883)]