18520119310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{304457}}^1$

素因数の和:304561

約数の個数: 64

約数和(自身を含む): 42088273920

約数和(自身を除く): 23568154610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 79, 110, 154, 158, 385, 395, 553, 770, 790, 869, 1106, 1738, 2765, 4345, 5530, 6083, 8690, 12166, 30415, 60830, 304457, 608914, 1522285, 2131199, 3044570, 3349027, 4262398, 6698054, 10655995, 16745135, 21311990, 23443189, 24052103, 33490270, 46886378, 48104206, 117215945, 120260515, 168364721, 234431890, 240521030, 264573133, 336729442, 529146266, 841823605, 1322865665, 1683647210, 1852011931, 2645731330, 3704023862, 9260059655, 18520119310]

約数ペア:

[(1, 18520119310), (2, 9260059655), (5, 3704023862), (7, 2645731330), (10, 1852011931), (11, 1683647210), (14, 1322865665), (22, 841823605), (35, 529146266), (55, 336729442), (70, 264573133), (77, 240521030), (79, 234431890), (110, 168364721), (154, 120260515), (158, 117215945), (385, 48104206), (395, 46886378), (553, 33490270), (770, 24052103), (790, 23443189), (869, 21311990), (1106, 16745135), (1738, 10655995), (2765, 6698054), (4345, 4262398), (5530, 3349027), (6083, 3044570), (8690, 2131199), (12166, 1522285), (30415, 608914), (60830, 304457)]