19885278

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 46621440

約数和(自身を除く): 26736162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 239, 283, 294, 478, 566, 717, 849, 1434, 1673, 1698, 1981, 3346, 3962, 5019, 5943, 10038, 11711, 11886, 13867, 23422, 27734, 35133, 41601, 67637, 70266, 83202, 135274, 202911, 405822, 473459, 946918, 1420377, 2840754, 3314213, 6628426, 9942639, 19885278]

約数ペア:

[(1, 19885278), (2, 9942639), (3, 6628426), (6, 3314213), (7, 2840754), (14, 1420377), (21, 946918), (42, 473459), (49, 405822), (98, 202911), (147, 135274), (239, 83202), (283, 70266), (294, 67637), (478, 41601), (566, 35133), (717, 27734), (849, 23422), (1434, 13867), (1673, 11886), (1698, 11711), (1981, 10038), (3346, 5943), (3962, 5019)]