18811532882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{941}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 31497465600

約数和(自身を除く): 12685932718

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 257, 437, 514, 874, 941, 1691, 1882, 2047, 3382, 4094, 4883, 5911, 9766, 11822, 17879, 21643, 22873, 35758, 38893, 43286, 45746, 77786, 83749, 112309, 167498, 224618, 241837, 411217, 434587, 483674, 526079, 822434, 869174, 1052158, 1591231, 1926227, 3182462, 3852454, 4594903, 5562251, 9189806, 9995501, 11124502, 19991002, 21523493, 36598313, 43046986, 73196626, 105682769, 211365538, 408946367, 495040339, 817892734, 990080678, 9405766441, 18811532882]

約数ペア:

[(1, 18811532882), (2, 9405766441), (19, 990080678), (23, 817892734), (38, 495040339), (46, 408946367), (89, 211365538), (178, 105682769), (257, 73196626), (437, 43046986), (514, 36598313), (874, 21523493), (941, 19991002), (1691, 11124502), (1882, 9995501), (2047, 9189806), (3382, 5562251), (4094, 4594903), (4883, 3852454), (5911, 3182462), (9766, 1926227), (11822, 1591231), (17879, 1052158), (21643, 869174), (22873, 822434), (35758, 526079), (38893, 483674), (43286, 434587), (45746, 411217), (77786, 241837), (83749, 224618), (112309, 167498)]