19418736

素因数分解:

$2^4\times 3^1\times {\mathrm{404557}}^1$

素因数の和:404568

約数の個数: 20

約数和(自身を含む): 50165192

約数和(自身を除く): 30746456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 404557, 809114, 1213671, 1618228, 2427342, 3236456, 4854684, 6472912, 9709368, 19418736]

約数ペア:

[(1, 19418736), (2, 9709368), (3, 6472912), (4, 4854684), (6, 3236456), (8, 2427342), (12, 1618228), (16, 1213671), (24, 809114), (48, 404557)]