19801902

素因数分解:

$2^1\times 3^1\times {\mathrm{347}}^1\times {\mathrm{9511}}^1$

素因数の和:9863

約数の個数: 16

約数和(自身を含む): 39722112

約数和(自身を除く): 19920210

約数列:

[1, 2, 3, 6, 347, 694, 1041, 2082, 9511, 19022, 28533, 57066, 3300317, 6600634, 9900951, 19801902]

約数ペア:

[(1, 19801902), (2, 9900951), (3, 6600634), (6, 3300317), (347, 57066), (694, 28533), (1041, 19022), (2082, 9511)]