19721724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2819}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 31444356

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 132, 159, 212, 318, 583, 636, 1166, 1749, 2332, 2819, 3498, 5638, 6996, 8457, 11276, 16914, 31009, 33828, 62018, 93027, 124036, 149407, 186054, 298814, 372108, 448221, 597628, 896442, 1643477, 1792884, 3286954, 4930431, 6573908, 9860862, 19721724]

約数ペア:

[(1, 19721724), (2, 9860862), (3, 6573908), (4, 4930431), (6, 3286954), (11, 1792884), (12, 1643477), (22, 896442), (33, 597628), (44, 448221), (53, 372108), (66, 298814), (106, 186054), (132, 149407), (159, 124036), (212, 93027), (318, 62018), (583, 33828), (636, 31009), (1166, 16914), (1749, 11276), (2332, 8457), (2819, 6996), (3498, 5638)]