91678420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241259}}^1$

素因数の和:241287

約数の個数: 24

約数和(自身を含む): 202658400

約数和(自身を除く): 110979980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 241259, 482518, 965036, 1206295, 2412590, 4583921, 4825180, 9167842, 18335684, 22919605, 45839210, 91678420]

約数ペア:

[(1, 91678420), (2, 45839210), (4, 22919605), (5, 18335684), (10, 9167842), (19, 4825180), (20, 4583921), (38, 2412590), (76, 1206295), (95, 965036), (190, 482518), (380, 241259)]