18408728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{177007}}^1$

素因数の和:177026

約数の個数: 16

約数和(自身を含む): 37171680

約数和(自身を除く): 18762952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 177007, 354014, 708028, 1416056, 2301091, 4602182, 9204364, 18408728]

約数ペア:

[(1, 18408728), (2, 9204364), (4, 4602182), (8, 2301091), (13, 1416056), (26, 708028), (52, 354014), (104, 177007)]