19668777

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 27001728

約数和(自身を除く): 7332951

約数列:

[1, 3, 53, 103, 159, 309, 1201, 3603, 5459, 16377, 63653, 123703, 190959, 371109, 6556259, 19668777]

約数ペア:

[(1, 19668777), (3, 6556259), (53, 371109), (103, 190959), (159, 123703), (309, 63653), (1201, 16377), (3603, 5459)]