19662496

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 25334624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1439, 1708, 1952, 2878, 3416, 5756, 6832, 10073, 11512, 13664, 20146, 23024, 40292, 46048, 80584, 87779, 161168, 175558, 322336, 351116, 614453, 702232, 1228906, 1404464, 2457812, 2808928, 4915624, 9831248, 19662496]

約数ペア:

[(1, 19662496), (2, 9831248), (4, 4915624), (7, 2808928), (8, 2457812), (14, 1404464), (16, 1228906), (28, 702232), (32, 614453), (56, 351116), (61, 322336), (112, 175558), (122, 161168), (224, 87779), (244, 80584), (427, 46048), (488, 40292), (854, 23024), (976, 20146), (1439, 13664), (1708, 11512), (1952, 10073), (2878, 6832), (3416, 5756)]