19710026

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15126454

約数列:

[1, 2, 7, 14, 71, 79, 142, 158, 251, 497, 502, 553, 994, 1106, 1757, 3514, 5609, 11218, 17821, 19829, 35642, 39263, 39658, 78526, 124747, 138803, 249494, 277606, 1407859, 2815718, 9855013, 19710026]

約数ペア:

[(1, 19710026), (2, 9855013), (7, 2815718), (14, 1407859), (71, 277606), (79, 249494), (142, 138803), (158, 124747), (251, 78526), (497, 39658), (502, 39263), (553, 35642), (994, 19829), (1106, 17821), (1757, 11218), (3514, 5609)]