19722015

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1051}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 35347200

約数和(自身を除く): 15625185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1051, 1251, 2085, 3153, 3753, 5255, 6255, 9459, 15765, 18765, 28377, 47295, 141885, 146089, 438267, 730445, 1314801, 2191335, 3944403, 6574005, 19722015]

約数ペア:

[(1, 19722015), (3, 6574005), (5, 3944403), (9, 2191335), (15, 1314801), (27, 730445), (45, 438267), (135, 146089), (139, 141885), (417, 47295), (695, 28377), (1051, 18765), (1251, 15765), (2085, 9459), (3153, 6255), (3753, 5255)]