19653804

素因数分解:

$2^2\times 3^2\times {\mathrm{545939}}^1$

素因数の和:545949

約数の個数: 18

約数和(自身を含む): 49680540

約数和(自身を除く): 30026736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545939, 1091878, 1637817, 2183756, 3275634, 4913451, 6551268, 9826902, 19653804]

約数ペア:

[(1, 19653804), (2, 9826902), (3, 6551268), (4, 4913451), (6, 3275634), (9, 2183756), (12, 1637817), (18, 1091878), (36, 545939)]