19712289311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113083}}^1$

素因数の和:113183

約数の個数: 32

約数和(自身を含む): 24621553152

約数和(自身を除く): 4909263841

約数列:

[1, 11, 13, 23, 53, 143, 253, 299, 583, 689, 1219, 3289, 7579, 13409, 15847, 113083, 174317, 1243913, 1470079, 2600909, 5993399, 16170869, 28609999, 33811817, 65927389, 77914187, 137848177, 371929987, 857056057, 1516329947, 1792026301, 19712289311]

約数ペア:

[(1, 19712289311), (11, 1792026301), (13, 1516329947), (23, 857056057), (53, 371929987), (143, 137848177), (253, 77914187), (299, 65927389), (583, 33811817), (689, 28609999), (1219, 16170869), (3289, 5993399), (7579, 2600909), (13409, 1470079), (15847, 1243913), (113083, 174317)]