19681342

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 13164482

約数列:

[1, 2, 17, 31, 34, 62, 71, 142, 263, 526, 527, 1054, 1207, 2201, 2414, 4402, 4471, 8153, 8942, 16306, 18673, 37346, 37417, 74834, 138601, 277202, 317441, 578863, 634882, 1157726, 9840671, 19681342]

約数ペア:

[(1, 19681342), (2, 9840671), (17, 1157726), (31, 634882), (34, 578863), (62, 317441), (71, 277202), (142, 138601), (263, 74834), (526, 37417), (527, 37346), (1054, 18673), (1207, 16306), (2201, 8942), (2414, 8153), (4402, 4471)]