19227910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 37467360

約数和(自身を除く): 18239450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 419, 706, 838, 1765, 2095, 3530, 4190, 4589, 5447, 9178, 10894, 22945, 27235, 45890, 54470, 147907, 295814, 739535, 1479070, 1922791, 3845582, 9613955, 19227910]

約数ペア:

[(1, 19227910), (2, 9613955), (5, 3845582), (10, 1922791), (13, 1479070), (26, 739535), (65, 295814), (130, 147907), (353, 54470), (419, 45890), (706, 27235), (838, 22945), (1765, 10894), (2095, 9178), (3530, 5447), (4190, 4589)]