18402678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7687}}^1$

素因数の和:7721

約数の個数: 48

約数和(自身を含む): 47973120

約数和(自身を除く): 29570442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 7687, 15374, 23061, 46122, 53809, 69183, 107618, 138366, 146053, 161427, 292106, 322854, 438159, 484281, 876318, 968562, 1022371, 1314477, 2044742, 2628954, 3067113, 6134226, 9201339, 18402678]

約数ペア:

[(1, 18402678), (2, 9201339), (3, 6134226), (6, 3067113), (7, 2628954), (9, 2044742), (14, 1314477), (18, 1022371), (19, 968562), (21, 876318), (38, 484281), (42, 438159), (57, 322854), (63, 292106), (114, 161427), (126, 146053), (133, 138366), (171, 107618), (266, 69183), (342, 53809), (399, 46122), (798, 23061), (1197, 15374), (2394, 7687)]