18213423048

素因数分解:

$2^3\times 3^3\times {\mathrm{157}}^1\times {\mathrm{537079}}^1$

素因数の和:537251

約数の個数: 64

約数和(自身を含む): 50915184000

約数和(自身を除く): 32701760952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 157, 216, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 4239, 5652, 8478, 11304, 16956, 33912, 537079, 1074158, 1611237, 2148316, 3222474, 4296632, 4833711, 6444948, 9667422, 12889896, 14501133, 19334844, 29002266, 38669688, 58004532, 84321403, 116009064, 168642806, 252964209, 337285612, 505928418, 674571224, 758892627, 1011856836, 1517785254, 2023713672, 2276677881, 3035570508, 4553355762, 6071141016, 9106711524, 18213423048]

約数ペア:

[(1, 18213423048), (2, 9106711524), (3, 6071141016), (4, 4553355762), (6, 3035570508), (8, 2276677881), (9, 2023713672), (12, 1517785254), (18, 1011856836), (24, 758892627), (27, 674571224), (36, 505928418), (54, 337285612), (72, 252964209), (108, 168642806), (157, 116009064), (216, 84321403), (314, 58004532), (471, 38669688), (628, 29002266), (942, 19334844), (1256, 14501133), (1413, 12889896), (1884, 9667422), (2826, 6444948), (3768, 4833711), (4239, 4296632), (5652, 3222474), (8478, 2148316), (11304, 1611237), (16956, 1074158), (33912, 537079)]