19514120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21211}}^1$

素因数の和:21245

約数の個数: 32

約数和(自身を含む): 45817920

約数和(自身を除く): 26303800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21211, 42422, 84844, 106055, 169688, 212110, 424220, 487853, 848440, 975706, 1951412, 2439265, 3902824, 4878530, 9757060, 19514120]

約数ペア:

[(1, 19514120), (2, 9757060), (4, 4878530), (5, 3902824), (8, 2439265), (10, 1951412), (20, 975706), (23, 848440), (40, 487853), (46, 424220), (92, 212110), (115, 169688), (184, 106055), (230, 84844), (460, 42422), (920, 21211)]