18716784

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2617}}^1$

素因数の和:2777

約数の個数: 40

約数和(自身を含む): 48694800

約数和(自身を除く): 29978016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 2617, 3576, 5234, 7152, 7851, 10468, 15702, 20936, 31404, 41872, 62808, 125616, 389933, 779866, 1169799, 1559732, 2339598, 3119464, 4679196, 6238928, 9358392, 18716784]

約数ペア:

[(1, 18716784), (2, 9358392), (3, 6238928), (4, 4679196), (6, 3119464), (8, 2339598), (12, 1559732), (16, 1169799), (24, 779866), (48, 389933), (149, 125616), (298, 62808), (447, 41872), (596, 31404), (894, 20936), (1192, 15702), (1788, 10468), (2384, 7851), (2617, 7152), (3576, 5234)]