19991856

素因数分解:

$2^4\times 3^1\times {\mathrm{416497}}^1$

素因数の和:416508

約数の個数: 20

約数和(自身を含む): 51645752

約数和(自身を除く): 31653896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 416497, 832994, 1249491, 1665988, 2498982, 3331976, 4997964, 6663952, 9995928, 19991856]

約数ペア:

[(1, 19991856), (2, 9995928), (3, 6663952), (4, 4997964), (6, 3331976), (8, 2498982), (12, 1665988), (16, 1249491), (24, 832994), (48, 416497)]