19781056

素因数分解:

$2^6\times {\mathrm{309079}}^1$

素因数の和:309091

約数の個数: 14

約数和(自身を含む): 39253160

約数和(自身を除く): 19472104

約数列:

[1, 2, 4, 8, 16, 32, 64, 309079, 618158, 1236316, 2472632, 4945264, 9890528, 19781056]

約数ペア:

[(1, 19781056), (2, 9890528), (4, 4945264), (8, 2472632), (16, 1236316), (32, 618158), (64, 309079)]