19788956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23671}}^1$

素因数の和:23705

約数の個数: 24

約数和(自身を含む): 39768960

約数和(自身を除く): 19980004

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23671, 47342, 94684, 260381, 449749, 520762, 899498, 1041524, 1798996, 4947239, 9894478, 19788956]

約数ペア:

[(1, 19788956), (2, 9894478), (4, 4947239), (11, 1798996), (19, 1041524), (22, 899498), (38, 520762), (44, 449749), (76, 260381), (209, 94684), (418, 47342), (836, 23671)]