19127409

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 30351360

約数和(自身を除く): 11223951

約数列:

[1, 3, 7, 21, 37, 103, 111, 239, 259, 309, 717, 721, 777, 1673, 2163, 3811, 5019, 8843, 11433, 24617, 26529, 26677, 61901, 73851, 80031, 172319, 185703, 516957, 910829, 2732487, 6375803, 19127409]

約数ペア:

[(1, 19127409), (3, 6375803), (7, 2732487), (21, 910829), (37, 516957), (103, 185703), (111, 172319), (239, 80031), (259, 73851), (309, 61901), (717, 26677), (721, 26529), (777, 24617), (1673, 11433), (2163, 8843), (3811, 5019)]