19717302

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26731338

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 62, 66, 69, 93, 138, 186, 253, 341, 419, 506, 682, 713, 759, 838, 1023, 1257, 1426, 1518, 2046, 2139, 2514, 4278, 4609, 7843, 9218, 9637, 12989, 13827, 15686, 19274, 23529, 25978, 27654, 28911, 38967, 47058, 57822, 77934, 106007, 142879, 212014, 285758, 298747, 318021, 428637, 597494, 636042, 857274, 896241, 1792482, 3286217, 6572434, 9858651, 19717302]

約数ペア:

[(1, 19717302), (2, 9858651), (3, 6572434), (6, 3286217), (11, 1792482), (22, 896241), (23, 857274), (31, 636042), (33, 597494), (46, 428637), (62, 318021), (66, 298747), (69, 285758), (93, 212014), (138, 142879), (186, 106007), (253, 77934), (341, 57822), (419, 47058), (506, 38967), (682, 28911), (713, 27654), (759, 25978), (838, 23529), (1023, 19274), (1257, 15686), (1426, 13827), (1518, 12989), (2046, 9637), (2139, 9218), (2514, 7843), (4278, 4609)]