19403776

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2707}}^1$

素因数の和:2734

約数の個数: 44

約数和(自身を含む): 44346208

約数和(自身を除く): 24942432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2707, 3584, 5414, 7168, 10828, 18949, 21656, 37898, 43312, 75796, 86624, 151592, 173248, 303184, 346496, 606368, 692992, 1212736, 1385984, 2425472, 2771968, 4850944, 9701888, 19403776]

約数ペア:

[(1, 19403776), (2, 9701888), (4, 4850944), (7, 2771968), (8, 2425472), (14, 1385984), (16, 1212736), (28, 692992), (32, 606368), (56, 346496), (64, 303184), (112, 173248), (128, 151592), (224, 86624), (256, 75796), (448, 43312), (512, 37898), (896, 21656), (1024, 18949), (1792, 10828), (2707, 7168), (3584, 5414)]