12938012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 25280640

約数和(自身を除く): 12342628

約数列:

[1, 2, 4, 19, 37, 38, 43, 74, 76, 86, 107, 148, 172, 214, 428, 703, 817, 1406, 1591, 1634, 2033, 2812, 3182, 3268, 3959, 4066, 4601, 6364, 7918, 8132, 9202, 15836, 18404, 30229, 60458, 75221, 87419, 120916, 150442, 170237, 174838, 300884, 340474, 349676, 680948, 3234503, 6469006, 12938012]

約数ペア:

[(1, 12938012), (2, 6469006), (4, 3234503), (19, 680948), (37, 349676), (38, 340474), (43, 300884), (74, 174838), (76, 170237), (86, 150442), (107, 120916), (148, 87419), (172, 75221), (214, 60458), (428, 30229), (703, 18404), (817, 15836), (1406, 9202), (1591, 8132), (1634, 7918), (2033, 6364), (2812, 4601), (3182, 4066), (3268, 3959)]