19870912

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4373}}^1$

素因数の和:4456

約数の個数: 28

約数和(自身を含む): 39995856

約数和(自身を除く): 20124944

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4373, 4544, 8746, 17492, 34984, 69968, 139936, 279872, 310483, 620966, 1241932, 2483864, 4967728, 9935456, 19870912]

約数ペア:

[(1, 19870912), (2, 9935456), (4, 4967728), (8, 2483864), (16, 1241932), (32, 620966), (64, 310483), (71, 279872), (142, 139936), (284, 69968), (568, 34984), (1136, 17492), (2272, 8746), (4373, 4544)]