19431940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88327}}^1$

素因数の和:88347

約数の個数: 24

約数和(自身を含む): 44517312

約数和(自身を除く): 25085372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88327, 176654, 353308, 441635, 883270, 971597, 1766540, 1943194, 3886388, 4857985, 9715970, 19431940]

約数ペア:

[(1, 19431940), (2, 9715970), (4, 4857985), (5, 3886388), (10, 1943194), (11, 1766540), (20, 971597), (22, 883270), (44, 441635), (55, 353308), (110, 176654), (220, 88327)]