18778356

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{2731}}^1$

素因数の和:2932

約数の個数: 36

約数和(自身を含む): 47733504

約数和(自身を除く): 28955148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 2731, 3438, 5462, 6876, 8193, 10924, 16386, 24579, 32772, 49158, 98316, 521621, 1043242, 1564863, 2086484, 3129726, 4694589, 6259452, 9389178, 18778356]

約数ペア:

[(1, 18778356), (2, 9389178), (3, 6259452), (4, 4694589), (6, 3129726), (9, 2086484), (12, 1564863), (18, 1043242), (36, 521621), (191, 98316), (382, 49158), (573, 32772), (764, 24579), (1146, 16386), (1719, 10924), (2292, 8193), (2731, 6876), (3438, 5462)]