19644669

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 33007104

約数和(自身を除く): 13362435

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 173, 279, 333, 341, 407, 519, 1023, 1147, 1221, 1557, 1903, 3069, 3441, 3663, 5363, 5709, 6401, 10323, 12617, 16089, 17127, 19203, 37851, 48267, 57609, 58993, 70411, 113553, 176979, 198431, 211233, 530937, 595293, 633699, 1785879, 2182741, 6548223, 19644669]

約数ペア:

[(1, 19644669), (3, 6548223), (9, 2182741), (11, 1785879), (31, 633699), (33, 595293), (37, 530937), (93, 211233), (99, 198431), (111, 176979), (173, 113553), (279, 70411), (333, 58993), (341, 57609), (407, 48267), (519, 37851), (1023, 19203), (1147, 17127), (1221, 16089), (1557, 12617), (1903, 10323), (3069, 6401), (3441, 5709), (3663, 5363)]