18994374

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 47443968

約数和(自身を除く): 28449594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1187, 1778, 2286, 2374, 2667, 3561, 5334, 7122, 8001, 8309, 10683, 16002, 16618, 21366, 24927, 49854, 74781, 149562, 150749, 301498, 452247, 904494, 1055243, 1356741, 2110486, 2713482, 3165729, 6331458, 9497187, 18994374]

約数ペア:

[(1, 18994374), (2, 9497187), (3, 6331458), (6, 3165729), (7, 2713482), (9, 2110486), (14, 1356741), (18, 1055243), (21, 904494), (42, 452247), (63, 301498), (126, 150749), (127, 149562), (254, 74781), (381, 49854), (762, 24927), (889, 21366), (1143, 16618), (1187, 16002), (1778, 10683), (2286, 8309), (2374, 8001), (2667, 7122), (3561, 5334)]