19324160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 47878656

約数和(自身を除く): 28554496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 487, 496, 620, 640, 974, 992, 1240, 1280, 1948, 1984, 2435, 2480, 3896, 3968, 4870, 4960, 7792, 7936, 9740, 9920, 15097, 15584, 19480, 19840, 30194, 31168, 38960, 39680, 60388, 62336, 75485, 77920, 120776, 124672, 150970, 155840, 241552, 301940, 311680, 483104, 603880, 623360, 966208, 1207760, 1932416, 2415520, 3864832, 4831040, 9662080, 19324160]

約数ペア:

[(1, 19324160), (2, 9662080), (4, 4831040), (5, 3864832), (8, 2415520), (10, 1932416), (16, 1207760), (20, 966208), (31, 623360), (32, 603880), (40, 483104), (62, 311680), (64, 301940), (80, 241552), (124, 155840), (128, 150970), (155, 124672), (160, 120776), (248, 77920), (256, 75485), (310, 62336), (320, 60388), (487, 39680), (496, 38960), (620, 31168), (640, 30194), (974, 19840), (992, 19480), (1240, 15584), (1280, 15097), (1948, 9920), (1984, 9740), (2435, 7936), (2480, 7792), (3896, 4960), (3968, 4870)]