19776816

素因数分解:

$2^4\times 3^2\times {\mathrm{137339}}^1$

素因数の和:137353

約数の個数: 30

約数和(自身を含む): 55348020

約数和(自身を除く): 35571204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137339, 274678, 412017, 549356, 824034, 1098712, 1236051, 1648068, 2197424, 2472102, 3296136, 4944204, 6592272, 9888408, 19776816]

約数ペア:

[(1, 19776816), (2, 9888408), (3, 6592272), (4, 4944204), (6, 3296136), (8, 2472102), (9, 2197424), (12, 1648068), (16, 1236051), (18, 1098712), (24, 824034), (36, 549356), (48, 412017), (72, 274678), (144, 137339)]