18777654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2185

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 28396746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2099, 2982, 4198, 4473, 6297, 8946, 12594, 14693, 18891, 29386, 37782, 44079, 88158, 132237, 149029, 264474, 298058, 447087, 894174, 1043203, 1341261, 2086406, 2682522, 3129609, 6259218, 9388827, 18777654]

約数ペア:

[(1, 18777654), (2, 9388827), (3, 6259218), (6, 3129609), (7, 2682522), (9, 2086406), (14, 1341261), (18, 1043203), (21, 894174), (42, 447087), (63, 298058), (71, 264474), (126, 149029), (142, 132237), (213, 88158), (426, 44079), (497, 37782), (639, 29386), (994, 18891), (1278, 14693), (1491, 12594), (2099, 8946), (2982, 6297), (4198, 4473)]