19836025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 28417824

約数和(自身を除く): 8581799

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4243, 4675, 21215, 46673, 72131, 106075, 233365, 360655, 793441, 1166825, 1803275, 3967205, 19836025]

約数ペア:

[(1, 19836025), (5, 3967205), (11, 1803275), (17, 1166825), (25, 793441), (55, 360655), (85, 233365), (187, 106075), (275, 72131), (425, 46673), (935, 21215), (4243, 4675)]