19863060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47293}}^1$

素因数の和:47312

約数の個数: 48

約数和(自身を含む): 63563136

約数和(自身を除く): 43700076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47293, 94586, 141879, 189172, 236465, 283758, 331051, 472930, 567516, 662102, 709395, 945860, 993153, 1324204, 1418790, 1655255, 1986306, 2837580, 3310510, 3972612, 4965765, 6621020, 9931530, 19863060]

約数ペア:

[(1, 19863060), (2, 9931530), (3, 6621020), (4, 4965765), (5, 3972612), (6, 3310510), (7, 2837580), (10, 1986306), (12, 1655255), (14, 1418790), (15, 1324204), (20, 993153), (21, 945860), (28, 709395), (30, 662102), (35, 567516), (42, 472930), (60, 331051), (70, 283758), (84, 236465), (105, 189172), (140, 141879), (210, 94586), (420, 47293)]