19004997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 30827520

約数和(自身を除く): 11822523

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1783, 3553, 5349, 10659, 19613, 30311, 33877, 58839, 90933, 101631, 333421, 372647, 575909, 1000263, 1117941, 1727727, 6334999, 19004997]

約数ペア:

[(1, 19004997), (3, 6334999), (11, 1727727), (17, 1117941), (19, 1000263), (33, 575909), (51, 372647), (57, 333421), (187, 101631), (209, 90933), (323, 58839), (561, 33877), (627, 30311), (969, 19613), (1783, 10659), (3553, 5349)]