19703138

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1483}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 36898176

約数和(自身を除く): 17195038

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1483, 1898, 2966, 6643, 10381, 13286, 19279, 20762, 38558, 108259, 134953, 216518, 269906, 757813, 1407367, 1515626, 2814734, 9851569, 19703138]

約数ペア:

[(1, 19703138), (2, 9851569), (7, 2814734), (13, 1515626), (14, 1407367), (26, 757813), (73, 269906), (91, 216518), (146, 134953), (182, 108259), (511, 38558), (949, 20762), (1022, 19279), (1483, 13286), (1898, 10381), (2966, 6643)]