18173659815

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1\times {\mathrm{1879}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 32598951840

約数和(自身を除く): 14425292025

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 157, 185, 333, 471, 555, 785, 1369, 1413, 1665, 1879, 2355, 4107, 5637, 5809, 6845, 7065, 9395, 12321, 16911, 17427, 20535, 28185, 29045, 52281, 61605, 69523, 84555, 87135, 208569, 214933, 261405, 295003, 347615, 625707, 644799, 885009, 1042845, 1074665, 1475015, 1934397, 2572351, 2655027, 3128535, 3223995, 4425045, 7717053, 9671985, 10915111, 12861755, 13275135, 23151159, 32745333, 38585265, 54575555, 98235999, 115755795, 163726665, 403859107, 491179995, 1211577321, 2019295535, 3634731963, 6057886605, 18173659815]

約数ペア:

[(1, 18173659815), (3, 6057886605), (5, 3634731963), (9, 2019295535), (15, 1211577321), (37, 491179995), (45, 403859107), (111, 163726665), (157, 115755795), (185, 98235999), (333, 54575555), (471, 38585265), (555, 32745333), (785, 23151159), (1369, 13275135), (1413, 12861755), (1665, 10915111), (1879, 9671985), (2355, 7717053), (4107, 4425045), (5637, 3223995), (5809, 3128535), (6845, 2655027), (7065, 2572351), (9395, 1934397), (12321, 1475015), (16911, 1074665), (17427, 1042845), (20535, 885009), (28185, 644799), (29045, 625707), (52281, 347615), (61605, 295003), (69523, 261405), (84555, 214933), (87135, 208569)]