19701306

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3968

約数の個数: 40

約数和(自身を含む): 45581184

約数和(自身を除く): 25879878

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 3923, 5022, 7846, 11769, 23538, 35307, 70614, 105921, 121613, 211842, 243226, 317763, 364839, 635526, 729678, 1094517, 2189034, 3283551, 6567102, 9850653, 19701306]

約数ペア:

[(1, 19701306), (2, 9850653), (3, 6567102), (6, 3283551), (9, 2189034), (18, 1094517), (27, 729678), (31, 635526), (54, 364839), (62, 317763), (81, 243226), (93, 211842), (162, 121613), (186, 105921), (279, 70614), (558, 35307), (837, 23538), (1674, 11769), (2511, 7846), (3923, 5022)]