17998722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 44845632

約数和(自身を除く): 26846910

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 633, 677, 1266, 1354, 1477, 1899, 2031, 2954, 3798, 4062, 4431, 4739, 6093, 8862, 9478, 12186, 13293, 14217, 26586, 28434, 42651, 85302, 142847, 285694, 428541, 857082, 999929, 1285623, 1999858, 2571246, 2999787, 5999574, 8999361, 17998722]

約数ペア:

[(1, 17998722), (2, 8999361), (3, 5999574), (6, 2999787), (7, 2571246), (9, 1999858), (14, 1285623), (18, 999929), (21, 857082), (42, 428541), (63, 285694), (126, 142847), (211, 85302), (422, 42651), (633, 28434), (677, 26586), (1266, 14217), (1354, 13293), (1477, 12186), (1899, 9478), (2031, 8862), (2954, 6093), (3798, 4739), (4062, 4431)]