19816230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 34926810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 197, 210, 394, 479, 591, 958, 985, 1182, 1379, 1437, 1970, 2395, 2758, 2874, 2955, 3353, 4137, 4790, 5910, 6706, 6895, 7185, 8274, 10059, 13790, 14370, 16765, 20118, 20685, 33530, 41370, 50295, 94363, 100590, 188726, 283089, 471815, 566178, 660541, 943630, 1321082, 1415445, 1981623, 2830890, 3302705, 3963246, 6605410, 9908115, 19816230]

約数ペア:

[(1, 19816230), (2, 9908115), (3, 6605410), (5, 3963246), (6, 3302705), (7, 2830890), (10, 1981623), (14, 1415445), (15, 1321082), (21, 943630), (30, 660541), (35, 566178), (42, 471815), (70, 283089), (105, 188726), (197, 100590), (210, 94363), (394, 50295), (479, 41370), (591, 33530), (958, 20685), (985, 20118), (1182, 16765), (1379, 14370), (1437, 13790), (1970, 10059), (2395, 8274), (2758, 7185), (2874, 6895), (2955, 6706), (3353, 5910), (4137, 4790)]