18766670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{599}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 17823730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 599, 1198, 1205, 2410, 2995, 3133, 5990, 6266, 7787, 15574, 15665, 31330, 38935, 77870, 144359, 288718, 721795, 1443590, 1876667, 3753334, 9383335, 18766670]

約数ペア:

[(1, 18766670), (2, 9383335), (5, 3753334), (10, 1876667), (13, 1443590), (26, 721795), (65, 288718), (130, 144359), (241, 77870), (482, 38935), (599, 31330), (1198, 15665), (1205, 15574), (2410, 7787), (2995, 6266), (3133, 5990)]