19117930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 18178070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 739, 995, 1478, 1990, 2587, 3695, 5174, 7390, 9607, 12935, 19214, 25870, 48035, 96070, 147061, 294122, 735305, 1470610, 1911793, 3823586, 9558965, 19117930]

約数ペア:

[(1, 19117930), (2, 9558965), (5, 3823586), (10, 1911793), (13, 1470610), (26, 735305), (65, 294122), (130, 147061), (199, 96070), (398, 48035), (739, 25870), (995, 19214), (1478, 12935), (1990, 9607), (2587, 7390), (3695, 5174)]