19999412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{599}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 37195200

約数和(自身を除く): 17195788

約数列:

[1, 2, 4, 17, 34, 68, 491, 599, 982, 1198, 1964, 2396, 8347, 10183, 16694, 20366, 33388, 40732, 294109, 588218, 1176436, 4999853, 9999706, 19999412]

約数ペア:

[(1, 19999412), (2, 9999706), (4, 4999853), (17, 1176436), (34, 588218), (68, 294109), (491, 40732), (599, 33388), (982, 20366), (1198, 16694), (1964, 10183), (2396, 8347)]