19771336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1259}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 20447864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1259, 1963, 2518, 3926, 5036, 7852, 10072, 15704, 16367, 32734, 65468, 130936, 190109, 380218, 760436, 1520872, 2471417, 4942834, 9885668, 19771336]

約数ペア:

[(1, 19771336), (2, 9885668), (4, 4942834), (8, 2471417), (13, 1520872), (26, 760436), (52, 380218), (104, 190109), (151, 130936), (302, 65468), (604, 32734), (1208, 16367), (1259, 15704), (1963, 10072), (2518, 7852), (3926, 5036)]