19265708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 23408980

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 881, 994, 1562, 1762, 1988, 3124, 3524, 5467, 6167, 9691, 10934, 12334, 19382, 21868, 24668, 38764, 62551, 67837, 125102, 135674, 250204, 271348, 437857, 688061, 875714, 1376122, 1751428, 2752244, 4816427, 9632854, 19265708]

約数ペア:

[(1, 19265708), (2, 9632854), (4, 4816427), (7, 2752244), (11, 1751428), (14, 1376122), (22, 875714), (28, 688061), (44, 437857), (71, 271348), (77, 250204), (142, 135674), (154, 125102), (284, 67837), (308, 62551), (497, 38764), (781, 24668), (881, 21868), (994, 19382), (1562, 12334), (1762, 10934), (1988, 9691), (3124, 6167), (3524, 5467)]