19389424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63781}}^1$

素因数の和:63808

約数の個数: 20

約数和(自身を含む): 39544840

約数和(自身を除く): 20155416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63781, 127562, 255124, 510248, 1020496, 1211839, 2423678, 4847356, 9694712, 19389424]

約数ペア:

[(1, 19389424), (2, 9694712), (4, 4847356), (8, 2423678), (16, 1211839), (19, 1020496), (38, 510248), (76, 255124), (152, 127562), (304, 63781)]