18890360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20533}}^1$

素因数の和:20567

約数の個数: 32

約数和(自身を含む): 44353440

約数和(自身を除く): 25463080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20533, 41066, 82132, 102665, 164264, 205330, 410660, 472259, 821320, 944518, 1889036, 2361295, 3778072, 4722590, 9445180, 18890360]

約数ペア:

[(1, 18890360), (2, 9445180), (4, 4722590), (5, 3778072), (8, 2361295), (10, 1889036), (20, 944518), (23, 821320), (40, 472259), (46, 410660), (92, 205330), (115, 164264), (184, 102665), (230, 82132), (460, 41066), (920, 20533)]