18957824

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 40

約数和(自身を含む): 38563008

約数和(自身を除く): 19605184

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 607, 976, 1214, 1952, 2428, 3904, 4856, 7808, 9712, 15616, 19424, 31232, 37027, 38848, 74054, 77696, 148108, 155392, 296216, 310784, 592432, 1184864, 2369728, 4739456, 9478912, 18957824]

約数ペア:

[(1, 18957824), (2, 9478912), (4, 4739456), (8, 2369728), (16, 1184864), (32, 592432), (61, 310784), (64, 296216), (122, 155392), (128, 148108), (244, 77696), (256, 74054), (488, 38848), (512, 37027), (607, 31232), (976, 19424), (1214, 15616), (1952, 9712), (2428, 7808), (3904, 4856)]