19367320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^2$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 49991760

約数和(自身を除く): 30624440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2630, 3682, 5260, 7364, 9205, 10520, 14728, 18410, 36820, 69169, 73640, 138338, 276676, 345845, 484183, 553352, 691690, 968366, 1383380, 1936732, 2420915, 2766760, 3873464, 4841830, 9683660, 19367320]

約数ペア:

[(1, 19367320), (2, 9683660), (4, 4841830), (5, 3873464), (7, 2766760), (8, 2420915), (10, 1936732), (14, 1383380), (20, 968366), (28, 691690), (35, 553352), (40, 484183), (56, 345845), (70, 276676), (140, 138338), (263, 73640), (280, 69169), (526, 36820), (1052, 18410), (1315, 14728), (1841, 10520), (2104, 9205), (2630, 7364), (3682, 5260)]