18999088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62497}}^1$

素因数の和:62524

約数の個数: 20

約数和(自身を含む): 38748760

約数和(自身を除く): 19749672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62497, 124994, 249988, 499976, 999952, 1187443, 2374886, 4749772, 9499544, 18999088]

約数ペア:

[(1, 18999088), (2, 9499544), (4, 4749772), (8, 2374886), (16, 1187443), (19, 999952), (38, 499976), (76, 249988), (152, 124994), (304, 62497)]