18936190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20836

約数の個数: 32

約数和(自身を含む): 41952960

約数和(自身を除く): 23016770

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20809, 41618, 104045, 145663, 208090, 270517, 291326, 541034, 728315, 1352585, 1456630, 1893619, 2705170, 3787238, 9468095, 18936190]

約数ペア:

[(1, 18936190), (2, 9468095), (5, 3787238), (7, 2705170), (10, 1893619), (13, 1456630), (14, 1352585), (26, 728315), (35, 541034), (65, 291326), (70, 270517), (91, 208090), (130, 145663), (182, 104045), (455, 41618), (910, 20809)]