19118319

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 30046464

約数和(自身を除く): 10928145

約数列:

[1, 3, 11, 17, 33, 51, 53, 159, 187, 561, 583, 643, 901, 1749, 1929, 2703, 7073, 9911, 10931, 21219, 29733, 32793, 34079, 102237, 120241, 360723, 374869, 579343, 1124607, 1738029, 6372773, 19118319]

約数ペア:

[(1, 19118319), (3, 6372773), (11, 1738029), (17, 1124607), (33, 579343), (51, 374869), (53, 360723), (159, 120241), (187, 102237), (561, 34079), (583, 32793), (643, 29733), (901, 21219), (1749, 10931), (1929, 9911), (2703, 7073)]