19509464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1259}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 39690000

約数和(自身を除く): 20180536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1259, 1937, 2518, 3874, 5036, 7748, 10072, 15496, 16367, 32734, 65468, 130936, 187591, 375182, 750364, 1500728, 2438683, 4877366, 9754732, 19509464]

約数ペア:

[(1, 19509464), (2, 9754732), (4, 4877366), (8, 2438683), (13, 1500728), (26, 750364), (52, 375182), (104, 187591), (149, 130936), (298, 65468), (596, 32734), (1192, 16367), (1259, 15496), (1937, 10072), (2518, 7748), (3874, 5036)]