19127465

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 29236224

約数和(自身を除く): 10108759

約数列:

[1, 5, 7, 17, 31, 35, 61, 85, 119, 155, 217, 289, 305, 427, 527, 595, 1037, 1085, 1445, 1891, 2023, 2135, 2635, 3689, 5185, 7259, 8959, 9455, 10115, 13237, 17629, 18445, 32147, 36295, 44795, 62713, 66185, 88145, 123403, 160735, 225029, 313565, 546499, 617015, 1125145, 2732495, 3825493, 19127465]

約数ペア:

[(1, 19127465), (5, 3825493), (7, 2732495), (17, 1125145), (31, 617015), (35, 546499), (61, 313565), (85, 225029), (119, 160735), (155, 123403), (217, 88145), (289, 66185), (305, 62713), (427, 44795), (527, 36295), (595, 32147), (1037, 18445), (1085, 17629), (1445, 13237), (1891, 10115), (2023, 9455), (2135, 8959), (2635, 7259), (3689, 5185)]