18384003

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 30666240

約数和(自身を除く): 12282237

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 297, 423, 439, 517, 891, 1269, 1317, 1551, 3807, 3951, 4653, 4829, 11853, 13959, 14487, 20633, 35559, 41877, 43461, 61899, 130383, 185697, 226963, 391149, 557091, 680889, 1671273, 2042667, 6128001, 18384003]

約数ペア:

[(1, 18384003), (3, 6128001), (9, 2042667), (11, 1671273), (27, 680889), (33, 557091), (47, 391149), (81, 226963), (99, 185697), (141, 130383), (297, 61899), (423, 43461), (439, 41877), (517, 35559), (891, 20633), (1269, 14487), (1317, 13959), (1551, 11853), (3807, 4829), (3951, 4653)]