19217286

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1457

約数の個数: 48

約数和(自身を含む): 46096128

約数和(自身を除く): 26878842

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1367, 1562, 2343, 2734, 4101, 4686, 7029, 8202, 12303, 14058, 15037, 24606, 30074, 45111, 90222, 97057, 135333, 194114, 270666, 291171, 582342, 873513, 1067627, 1747026, 2135254, 3202881, 6405762, 9608643, 19217286]

約数ペア:

[(1, 19217286), (2, 9608643), (3, 6405762), (6, 3202881), (9, 2135254), (11, 1747026), (18, 1067627), (22, 873513), (33, 582342), (66, 291171), (71, 270666), (99, 194114), (142, 135333), (198, 97057), (213, 90222), (426, 45111), (639, 30074), (781, 24606), (1278, 15037), (1367, 14058), (1562, 12303), (2343, 8202), (2734, 7029), (4101, 4686)]