18273554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 13297006

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 247, 494, 521, 923, 1042, 1349, 1846, 2698, 6773, 9899, 13546, 17537, 19798, 35074, 36991, 73982, 128687, 257374, 480883, 702829, 961766, 1405658, 9136777, 18273554]

約数ペア:

[(1, 18273554), (2, 9136777), (13, 1405658), (19, 961766), (26, 702829), (38, 480883), (71, 257374), (142, 128687), (247, 73982), (494, 36991), (521, 35074), (923, 19798), (1042, 17537), (1349, 13546), (1846, 9899), (2698, 6773)]