18228441

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11273}}^1$

素因数の和:11301

約数の個数: 24

約数和(自身を含む): 30845664

約数和(自身を除く): 12617223

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11273, 33819, 78911, 124003, 236733, 372009, 552377, 868021, 1657131, 2604063, 6076147, 18228441]

約数ペア:

[(1, 18228441), (3, 6076147), (7, 2604063), (11, 1657131), (21, 868021), (33, 552377), (49, 372009), (77, 236733), (147, 124003), (231, 78911), (539, 33819), (1617, 11273)]