19886652

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3389}}^1$

素因数の和:3562

約数の個数: 36

約数和(自身を含む): 50592360

約数和(自身を除く): 30705708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3389, 5868, 6778, 10167, 13556, 20334, 30501, 40668, 61002, 122004, 552407, 1104814, 1657221, 2209628, 3314442, 4971663, 6628884, 9943326, 19886652]

約数ペア:

[(1, 19886652), (2, 9943326), (3, 6628884), (4, 4971663), (6, 3314442), (9, 2209628), (12, 1657221), (18, 1104814), (36, 552407), (163, 122004), (326, 61002), (489, 40668), (652, 30501), (978, 20334), (1467, 13556), (1956, 10167), (2934, 6778), (3389, 5868)]