20171805335

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{12809}}^1$

素因数の和:12992

約数の個数: 48

約数和(自身を含む): 28213768800

約数和(自身を除く): 8041963465

約数列:

[1, 5, 11, 19, 55, 95, 121, 137, 209, 605, 685, 1045, 1507, 2299, 2603, 7535, 11495, 12809, 13015, 16577, 28633, 64045, 82885, 140899, 143165, 243371, 314963, 704495, 1216855, 1549889, 1574815, 1754833, 2677081, 7749445, 8774165, 13385405, 19303163, 29447891, 33341827, 96515815, 147239455, 166709135, 212334793, 366760097, 1061673965, 1833800485, 4034361067, 20171805335]

約数ペア:

[(1, 20171805335), (5, 4034361067), (11, 1833800485), (19, 1061673965), (55, 366760097), (95, 212334793), (121, 166709135), (137, 147239455), (209, 96515815), (605, 33341827), (685, 29447891), (1045, 19303163), (1507, 13385405), (2299, 8774165), (2603, 7749445), (7535, 2677081), (11495, 1754833), (12809, 1574815), (13015, 1549889), (16577, 1216855), (28633, 704495), (64045, 314963), (82885, 243371), (140899, 143165)]