19866135

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13726185

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 647, 1335, 1941, 2047, 3235, 6141, 9705, 10235, 14881, 30705, 44643, 57583, 74405, 172749, 223215, 287915, 863745, 1324409, 3973227, 6622045, 19866135]

約数ペア:

[(1, 19866135), (3, 6622045), (5, 3973227), (15, 1324409), (23, 863745), (69, 287915), (89, 223215), (115, 172749), (267, 74405), (345, 57583), (445, 44643), (647, 30705), (1335, 14881), (1941, 10235), (2047, 9705), (3235, 6141)]