19218279

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2711}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 8118681

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2711, 7089, 8133, 46087, 138261, 376829, 1130487, 6406093, 19218279]

約数ペア:

[(1, 19218279), (3, 6406093), (17, 1130487), (51, 376829), (139, 138261), (417, 46087), (2363, 8133), (2711, 7089)]