18740511

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40829}}^1$

素因数の和:40855

約数の個数: 16

約数和(自身を含む): 29397600

約数和(自身を除く): 10657089

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40829, 122487, 367461, 694093, 1102383, 2082279, 6246837, 18740511]

約数ペア:

[(1, 18740511), (3, 6246837), (9, 2082279), (17, 1102383), (27, 694093), (51, 367461), (153, 122487), (459, 40829)]