18092720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9833}}^1$

素因数の和:9869

約数の個数: 40

約数和(自身を含む): 43898976

約数和(自身を除く): 25806256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9833, 19666, 39332, 49165, 78664, 98330, 157328, 196660, 226159, 393320, 452318, 786640, 904636, 1130795, 1809272, 2261590, 3618544, 4523180, 9046360, 18092720]

約数ペア:

[(1, 18092720), (2, 9046360), (4, 4523180), (5, 3618544), (8, 2261590), (10, 1809272), (16, 1130795), (20, 904636), (23, 786640), (40, 452318), (46, 393320), (80, 226159), (92, 196660), (115, 157328), (184, 98330), (230, 78664), (368, 49165), (460, 39332), (920, 19666), (1840, 9833)]