18644720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10133}}^1$

素因数の和:10169

約数の個数: 40

約数和(自身を含む): 45238176

約数和(自身を除く): 26593456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10133, 20266, 40532, 50665, 81064, 101330, 162128, 202660, 233059, 405320, 466118, 810640, 932236, 1165295, 1864472, 2330590, 3728944, 4661180, 9322360, 18644720]

約数ペア:

[(1, 18644720), (2, 9322360), (4, 4661180), (5, 3728944), (8, 2330590), (10, 1864472), (16, 1165295), (20, 932236), (23, 810640), (40, 466118), (46, 405320), (80, 233059), (92, 202660), (115, 162128), (184, 101330), (230, 81064), (368, 50665), (460, 40532), (920, 20266), (1840, 10133)]