19700148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 49787136

約数和(自身を除く): 30086988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 293, 431, 586, 862, 879, 1172, 1293, 1724, 1758, 2586, 3516, 3809, 5172, 5603, 7618, 11206, 11427, 15236, 16809, 22412, 22854, 33618, 45708, 67236, 126283, 252566, 378849, 505132, 757698, 1515396, 1641679, 3283358, 4925037, 6566716, 9850074, 19700148]

約数ペア:

[(1, 19700148), (2, 9850074), (3, 6566716), (4, 4925037), (6, 3283358), (12, 1641679), (13, 1515396), (26, 757698), (39, 505132), (52, 378849), (78, 252566), (156, 126283), (293, 67236), (431, 45708), (586, 33618), (862, 22854), (879, 22412), (1172, 16809), (1293, 15236), (1724, 11427), (1758, 11206), (2586, 7618), (3516, 5603), (3809, 5172)]