19816254

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2145

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 27133506

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 51, 62, 93, 102, 153, 186, 279, 306, 527, 558, 1054, 1581, 2089, 3162, 4178, 4743, 6267, 9486, 12534, 18801, 35513, 37602, 64759, 71026, 106539, 129518, 194277, 213078, 319617, 388554, 582831, 639234, 1100903, 1165662, 2201806, 3302709, 6605418, 9908127, 19816254]

約数ペア:

[(1, 19816254), (2, 9908127), (3, 6605418), (6, 3302709), (9, 2201806), (17, 1165662), (18, 1100903), (31, 639234), (34, 582831), (51, 388554), (62, 319617), (93, 213078), (102, 194277), (153, 129518), (186, 106539), (279, 71026), (306, 64759), (527, 37602), (558, 35513), (1054, 18801), (1581, 12534), (2089, 9486), (3162, 6267), (4178, 4743)]