18721458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4793}}^1$

素因数の和:4839

約数の個数: 48

約数和(自身を含む): 47863296

約数和(自身を除く): 29141838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 4793, 9586, 14379, 28758, 33551, 43137, 67102, 86274, 100653, 148583, 201306, 297166, 301959, 445749, 603918, 891498, 1040081, 1337247, 2080162, 2674494, 3120243, 6240486, 9360729, 18721458]

約数ペア:

[(1, 18721458), (2, 9360729), (3, 6240486), (6, 3120243), (7, 2674494), (9, 2080162), (14, 1337247), (18, 1040081), (21, 891498), (31, 603918), (42, 445749), (62, 301959), (63, 297166), (93, 201306), (126, 148583), (186, 100653), (217, 86274), (279, 67102), (434, 43137), (558, 33551), (651, 28758), (1302, 14379), (1953, 9586), (3906, 4793)]