18820884290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{56093}}^1$

素因数の和:56231

約数の個数: 64

約数和(自身を含む): 38166357600

約数和(自身を除く): 19345473310

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 89, 130, 145, 178, 290, 377, 445, 754, 890, 1157, 1885, 2314, 2581, 3770, 5162, 5785, 11570, 12905, 25810, 33553, 56093, 67106, 112186, 167765, 280465, 335530, 560930, 729209, 1458418, 1626697, 3253394, 3646045, 4992277, 7292090, 8133485, 9984554, 16266970, 21147061, 24961385, 42294122, 49922770, 64899601, 105735305, 129799202, 144776033, 211470610, 289552066, 324498005, 648996010, 723880165, 1447760330, 1882088429, 3764176858, 9410442145, 18820884290]

約数ペア:

[(1, 18820884290), (2, 9410442145), (5, 3764176858), (10, 1882088429), (13, 1447760330), (26, 723880165), (29, 648996010), (58, 324498005), (65, 289552066), (89, 211470610), (130, 144776033), (145, 129799202), (178, 105735305), (290, 64899601), (377, 49922770), (445, 42294122), (754, 24961385), (890, 21147061), (1157, 16266970), (1885, 9984554), (2314, 8133485), (2581, 7292090), (3770, 4992277), (5162, 3646045), (5785, 3253394), (11570, 1626697), (12905, 1458418), (25810, 729209), (33553, 560930), (56093, 335530), (67106, 280465), (112186, 167765)]