18814510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21828050

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 59, 65, 110, 118, 130, 143, 223, 286, 295, 446, 590, 649, 715, 767, 1115, 1298, 1430, 1534, 2230, 2453, 2899, 3245, 3835, 4906, 5798, 6490, 7670, 8437, 12265, 13157, 14495, 16874, 24530, 26314, 28990, 31889, 42185, 63778, 65785, 84370, 131570, 144727, 159445, 171041, 289454, 318890, 342082, 723635, 855205, 1447270, 1710410, 1881451, 3762902, 9407255, 18814510]

約数ペア:

[(1, 18814510), (2, 9407255), (5, 3762902), (10, 1881451), (11, 1710410), (13, 1447270), (22, 855205), (26, 723635), (55, 342082), (59, 318890), (65, 289454), (110, 171041), (118, 159445), (130, 144727), (143, 131570), (223, 84370), (286, 65785), (295, 63778), (446, 42185), (590, 31889), (649, 28990), (715, 26314), (767, 24530), (1115, 16874), (1298, 14495), (1430, 13157), (1534, 12265), (2230, 8437), (2453, 7670), (2899, 6490), (3245, 5798), (3835, 4906)]