20171801155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{521707}}^1$

素因数の和:521779

約数の個数: 32

約数和(自身を含む): 28547861760

約数和(自身を除く): 8376060605

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 407, 703, 1045, 2035, 3515, 7733, 38665, 521707, 2608535, 5738777, 9912433, 19303159, 28693885, 49562165, 96515795, 109036763, 212334749, 366760021, 545183815, 1061673745, 1833800105, 4034360231, 20171801155]

約数ペア:

[(1, 20171801155), (5, 4034360231), (11, 1833800105), (19, 1061673745), (37, 545183815), (55, 366760021), (95, 212334749), (185, 109036763), (209, 96515795), (407, 49562165), (703, 28693885), (1045, 19303159), (2035, 9912433), (3515, 5738777), (7733, 2608535), (38665, 521707)]