19738938

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{449}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 22251462

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 431, 449, 862, 898, 1293, 1347, 2586, 2694, 7327, 7633, 14654, 15266, 21981, 22899, 43962, 45798, 193519, 387038, 580557, 1161114, 3289823, 6579646, 9869469, 19738938]

約数ペア:

[(1, 19738938), (2, 9869469), (3, 6579646), (6, 3289823), (17, 1161114), (34, 580557), (51, 387038), (102, 193519), (431, 45798), (449, 43962), (862, 22899), (898, 21981), (1293, 15266), (1347, 14654), (2586, 7633), (2694, 7327)]