19001680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{449}}^1$

素因数の和:508

約数の個数: 60

約数和(自身を含む): 46286100

約数和(自身を除く): 27284420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 449, 460, 529, 898, 920, 1058, 1796, 1840, 2116, 2245, 2645, 3592, 4232, 4490, 5290, 7184, 8464, 8980, 10327, 10580, 17960, 20654, 21160, 35920, 41308, 42320, 51635, 82616, 103270, 165232, 206540, 237521, 413080, 475042, 826160, 950084, 1187605, 1900168, 2375210, 3800336, 4750420, 9500840, 19001680]

約数ペア:

[(1, 19001680), (2, 9500840), (4, 4750420), (5, 3800336), (8, 2375210), (10, 1900168), (16, 1187605), (20, 950084), (23, 826160), (40, 475042), (46, 413080), (80, 237521), (92, 206540), (115, 165232), (184, 103270), (230, 82616), (368, 51635), (449, 42320), (460, 41308), (529, 35920), (898, 21160), (920, 20654), (1058, 17960), (1796, 10580), (1840, 10327), (2116, 8980), (2245, 8464), (2645, 7184), (3592, 5290), (4232, 4490)]