18640836

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{2711}}^1$

素因数の和:2912

約数の個数: 36

約数和(自身を含む): 47384064

約数和(自身を除く): 28743228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 2711, 3438, 5422, 6876, 8133, 10844, 16266, 24399, 32532, 48798, 97596, 517801, 1035602, 1553403, 2071204, 3106806, 4660209, 6213612, 9320418, 18640836]

約数ペア:

[(1, 18640836), (2, 9320418), (3, 6213612), (4, 4660209), (6, 3106806), (9, 2071204), (12, 1553403), (18, 1035602), (36, 517801), (191, 97596), (382, 48798), (573, 32532), (764, 24399), (1146, 16266), (1719, 10844), (2292, 8133), (2711, 6876), (3438, 5422)]