19380663

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 29837808

約数和(自身を除く): 10457145

約数列:

[1, 3, 9, 17, 51, 153, 197, 591, 643, 1773, 1929, 3349, 5787, 10047, 10931, 30141, 32793, 98379, 126671, 380013, 1140039, 2153407, 6460221, 19380663]

約数ペア:

[(1, 19380663), (3, 6460221), (9, 2153407), (17, 1140039), (51, 380013), (153, 126671), (197, 98379), (591, 32793), (643, 30141), (1773, 10931), (1929, 10047), (3349, 5787)]