19921773

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5351}}^1$

素因数の和:5444

約数の個数: 16

約数和(自身を含む): 28515456

約数和(自身を除く): 8593683

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5351, 16053, 90967, 272901, 390623, 1171869, 6640591, 19921773]

約数ペア:

[(1, 19921773), (3, 6640591), (17, 1171869), (51, 390623), (73, 272901), (219, 90967), (1241, 16053), (3723, 5351)]