19963075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 27208080

約数和(自身を除く): 7245005

約数列:

[1, 5, 11, 25, 55, 229, 275, 317, 1145, 1585, 2519, 3487, 5725, 7925, 12595, 17435, 62975, 72593, 87175, 362965, 798523, 1814825, 3992615, 19963075]

約数ペア:

[(1, 19963075), (5, 3992615), (11, 1814825), (25, 798523), (55, 362965), (229, 87175), (275, 72593), (317, 62975), (1145, 17435), (1585, 12595), (2519, 7925), (3487, 5725)]