19810362

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2139

約数の個数: 48

約数和(自身を含む): 46922400

約数和(自身を除く): 27112038

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2099, 3146, 4198, 4719, 6297, 9438, 12594, 23089, 27287, 46178, 54574, 69267, 81861, 138534, 163722, 253979, 300157, 507958, 600314, 761937, 900471, 1523874, 1800942, 3301727, 6603454, 9905181, 19810362]

約数ペア:

[(1, 19810362), (2, 9905181), (3, 6603454), (6, 3301727), (11, 1800942), (13, 1523874), (22, 900471), (26, 761937), (33, 600314), (39, 507958), (66, 300157), (78, 253979), (121, 163722), (143, 138534), (242, 81861), (286, 69267), (363, 54574), (429, 46178), (726, 27287), (858, 23089), (1573, 12594), (2099, 9438), (3146, 6297), (4198, 4719)]