18804519952

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{259387}}^1$

素因数の和:259615

約数の個数: 40

約数和(自身を含む): 38210965056

約数和(自身を除く): 19406445104

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 368, 394, 788, 1576, 3152, 4531, 9062, 18124, 36248, 72496, 259387, 518774, 1037548, 2075096, 4150192, 5965901, 11931802, 23863604, 47727208, 51099239, 95454416, 102198478, 204396956, 408793912, 817587824, 1175282497, 2350564994, 4701129988, 9402259976, 18804519952]

約数ペア:

[(1, 18804519952), (2, 9402259976), (4, 4701129988), (8, 2350564994), (16, 1175282497), (23, 817587824), (46, 408793912), (92, 204396956), (184, 102198478), (197, 95454416), (368, 51099239), (394, 47727208), (788, 23863604), (1576, 11931802), (3152, 5965901), (4531, 4150192), (9062, 2075096), (18124, 1037548), (36248, 518774), (72496, 259387)]