19972806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1549}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 45830400

約数和(自身を除く): 25857594

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 307, 614, 921, 1549, 1842, 2149, 3098, 4298, 4647, 6447, 9294, 10843, 12894, 21686, 32529, 65058, 475543, 951086, 1426629, 2853258, 3328801, 6657602, 9986403, 19972806]

約数ペア:

[(1, 19972806), (2, 9986403), (3, 6657602), (6, 3328801), (7, 2853258), (14, 1426629), (21, 951086), (42, 475543), (307, 65058), (614, 32529), (921, 21686), (1549, 12894), (1842, 10843), (2149, 9294), (3098, 6447), (4298, 4647)]