18219838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{100109}}^1$

素因数の和:100131

約数の個数: 16

約数和(自身を含む): 33636960

約数和(自身を除く): 15417122

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 100109, 200218, 700763, 1301417, 1401526, 2602834, 9109919, 18219838]

約数ペア:

[(1, 18219838), (2, 9109919), (7, 2602834), (13, 1401526), (14, 1301417), (26, 700763), (91, 200218), (182, 100109)]