19971068

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1014

約数の個数: 36

約数和(自身を含む): 39106368

約数和(自身を除く): 19135300

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 953, 1612, 1906, 3812, 5239, 10478, 12389, 20956, 24778, 29543, 49556, 59086, 118172, 161057, 322114, 384059, 644228, 768118, 1536236, 4992767, 9985534, 19971068]

約数ペア:

[(1, 19971068), (2, 9985534), (4, 4992767), (13, 1536236), (26, 768118), (31, 644228), (52, 384059), (62, 322114), (124, 161057), (169, 118172), (338, 59086), (403, 49556), (676, 29543), (806, 24778), (953, 20956), (1612, 12389), (1906, 10478), (3812, 5239)]