19678128

素因数分解:

$2^4\times 3^1\times {\mathrm{409961}}^1$

素因数の和:409972

約数の個数: 20

約数和(自身を含む): 50835288

約数和(自身を除く): 31157160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409961, 819922, 1229883, 1639844, 2459766, 3279688, 4919532, 6559376, 9839064, 19678128]

約数ペア:

[(1, 19678128), (2, 9839064), (3, 6559376), (4, 4919532), (6, 3279688), (8, 2459766), (12, 1639844), (16, 1229883), (24, 819922), (48, 409961)]