18840590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 38020752

約数和(自身を除く): 19180162

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 307, 323, 361, 614, 646, 722, 1535, 1615, 1805, 3070, 3230, 3610, 5219, 5833, 6137, 10438, 11666, 12274, 26095, 29165, 30685, 52190, 58330, 61370, 99161, 110827, 198322, 221654, 495805, 554135, 991610, 1108270, 1884059, 3768118, 9420295, 18840590]

約数ペア:

[(1, 18840590), (2, 9420295), (5, 3768118), (10, 1884059), (17, 1108270), (19, 991610), (34, 554135), (38, 495805), (85, 221654), (95, 198322), (170, 110827), (190, 99161), (307, 61370), (323, 58330), (361, 52190), (614, 30685), (646, 29165), (722, 26095), (1535, 12274), (1615, 11666), (1805, 10438), (3070, 6137), (3230, 5833), (3610, 5219)]