19402227

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 31234560

約数和(自身を除く): 11832333

約数列:

[1, 3, 9, 13, 27, 39, 117, 167, 331, 351, 501, 993, 1503, 2171, 2979, 4303, 4509, 6513, 8937, 12909, 19539, 38727, 55277, 58617, 116181, 165831, 497493, 718601, 1492479, 2155803, 6467409, 19402227]

約数ペア:

[(1, 19402227), (3, 6467409), (9, 2155803), (13, 1492479), (27, 718601), (39, 497493), (117, 165831), (167, 116181), (331, 58617), (351, 55277), (501, 38727), (993, 19539), (1503, 12909), (2171, 8937), (2979, 6513), (4303, 4509)]