18036940

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1667}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 37970352

約数和(自身を除く): 19933412

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1667, 2164, 2705, 3334, 5410, 6668, 8335, 10820, 16670, 33340, 901847, 1803694, 3607388, 4509235, 9018470, 18036940]

約数ペア:

[(1, 18036940), (2, 9018470), (4, 4509235), (5, 3607388), (10, 1803694), (20, 901847), (541, 33340), (1082, 16670), (1667, 10820), (2164, 8335), (2705, 6668), (3334, 5410)]