19867312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65353}}^1$

素因数の和:65380

約数の個数: 20

約数和(自身を含む): 40519480

約数和(自身を除く): 20652168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65353, 130706, 261412, 522824, 1045648, 1241707, 2483414, 4966828, 9933656, 19867312]

約数ペア:

[(1, 19867312), (2, 9933656), (4, 4966828), (8, 2483414), (16, 1241707), (19, 1045648), (38, 522824), (76, 261412), (152, 130706), (304, 65353)]