19012480

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 46291680

約数和(自身を除く): 27279200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 487, 488, 610, 640, 974, 976, 1220, 1948, 1952, 2435, 2440, 3896, 3904, 4870, 4880, 7792, 7808, 9740, 9760, 15584, 19480, 19520, 29707, 31168, 38960, 39040, 59414, 62336, 77920, 118828, 148535, 155840, 237656, 297070, 311680, 475312, 594140, 950624, 1188280, 1901248, 2376560, 3802496, 4753120, 9506240, 19012480]

約数ペア:

[(1, 19012480), (2, 9506240), (4, 4753120), (5, 3802496), (8, 2376560), (10, 1901248), (16, 1188280), (20, 950624), (32, 594140), (40, 475312), (61, 311680), (64, 297070), (80, 237656), (122, 155840), (128, 148535), (160, 118828), (244, 77920), (305, 62336), (320, 59414), (487, 39040), (488, 38960), (610, 31168), (640, 29707), (974, 19520), (976, 19480), (1220, 15584), (1948, 9760), (1952, 9740), (2435, 7808), (2440, 7792), (3896, 4880), (3904, 4870)]