18587469872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2658391}}^1$

素因数の和:2658441

約数の個数: 40

約数和(自身を含む): 39556872960

約数和(自身を除く): 20969403088

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 2658391, 5316782, 10633564, 21267128, 42534256, 50509429, 61142993, 101018858, 122285986, 202037716, 244571972, 404075432, 489143944, 808150864, 978287888, 1161716867, 2323433734, 4646867468, 9293734936, 18587469872]

約数ペア:

[(1, 18587469872), (2, 9293734936), (4, 4646867468), (8, 2323433734), (16, 1161716867), (19, 978287888), (23, 808150864), (38, 489143944), (46, 404075432), (76, 244571972), (92, 202037716), (152, 122285986), (184, 101018858), (304, 61142993), (368, 50509429), (437, 42534256), (874, 21267128), (1748, 10633564), (3496, 5316782), (6992, 2658391)]