19649812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 43496320

約数和(自身を除く): 23846508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1459, 1924, 2918, 3367, 5836, 6734, 10213, 13468, 18967, 20426, 37934, 40852, 53983, 75868, 107966, 132769, 215932, 265538, 377881, 531076, 701779, 755762, 1403558, 1511524, 2807116, 4912453, 9824906, 19649812]

約数ペア:

[(1, 19649812), (2, 9824906), (4, 4912453), (7, 2807116), (13, 1511524), (14, 1403558), (26, 755762), (28, 701779), (37, 531076), (52, 377881), (74, 265538), (91, 215932), (148, 132769), (182, 107966), (259, 75868), (364, 53983), (481, 40852), (518, 37934), (962, 20426), (1036, 18967), (1459, 13468), (1924, 10213), (2918, 6734), (3367, 5836)]