19948599

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 14645961

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 297, 439, 459, 561, 891, 1317, 1377, 1683, 2673, 3951, 4131, 4829, 5049, 7463, 11853, 14487, 15147, 22389, 35559, 43461, 45441, 67167, 82093, 106677, 130383, 201501, 246279, 391149, 604503, 738837, 1173447, 1813509, 2216511, 6649533, 19948599]

約数ペア:

[(1, 19948599), (3, 6649533), (9, 2216511), (11, 1813509), (17, 1173447), (27, 738837), (33, 604503), (51, 391149), (81, 246279), (99, 201501), (153, 130383), (187, 106677), (243, 82093), (297, 67167), (439, 45441), (459, 43461), (561, 35559), (891, 22389), (1317, 15147), (1377, 14487), (1683, 11853), (2673, 7463), (3951, 5049), (4131, 4829)]