19925445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78139}}^1$

素因数の和:78164

約数の個数: 16

約数和(自身を含む): 33756480

約数和(自身を除く): 13831035

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78139, 234417, 390695, 1172085, 1328363, 3985089, 6641815, 19925445]

約数ペア:

[(1, 19925445), (3, 6641815), (5, 3985089), (15, 1328363), (17, 1172085), (51, 390695), (85, 234417), (255, 78139)]