19890354

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13103}}^1$

素因数の和:13142

約数の個数: 32

約数和(自身を含む): 45287424

約数和(自身を除く): 25397070

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13103, 26206, 39309, 78618, 144133, 288266, 301369, 432399, 602738, 864798, 904107, 1808214, 3315059, 6630118, 9945177, 19890354]

約数ペア:

[(1, 19890354), (2, 9945177), (3, 6630118), (6, 3315059), (11, 1808214), (22, 904107), (23, 864798), (33, 602738), (46, 432399), (66, 301369), (69, 288266), (138, 144133), (253, 78618), (506, 39309), (759, 26206), (1518, 13103)]