19009012009

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{287671}}^1$

素因数の和:287737

約数の個数: 24

約数和(自身を含む): 22742197632

約数和(自身を除く): 3733185623

約数列:

[1, 13, 17, 23, 169, 221, 299, 391, 2873, 3887, 5083, 66079, 287671, 3739723, 4890407, 6616433, 48616399, 63575291, 86013629, 112479361, 826478783, 1118177177, 1462231693, 19009012009]

約数ペア:

[(1, 19009012009), (13, 1462231693), (17, 1118177177), (23, 826478783), (169, 112479361), (221, 86013629), (299, 63575291), (391, 48616399), (2873, 6616433), (3887, 4890407), (5083, 3739723), (66079, 287671)]