19978512

素因数分解:

$2^4\times 3^1\times {\mathrm{416219}}^1$

素因数の和:416230

約数の個数: 20

約数和(自身を含む): 51611280

約数和(自身を除く): 31632768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 416219, 832438, 1248657, 1664876, 2497314, 3329752, 4994628, 6659504, 9989256, 19978512]

約数ペア:

[(1, 19978512), (2, 9989256), (3, 6659504), (4, 4994628), (6, 3329752), (8, 2497314), (12, 1664876), (16, 1248657), (24, 832438), (48, 416219)]