19388611208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{128347}}^1$

素因数の和:129197

約数の個数: 32

約数和(自身を含む): 37980740160

約数和(自身を除く): 18592128952

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 821, 1642, 3284, 6568, 18883, 37766, 75532, 128347, 151064, 256694, 513388, 1026776, 2951981, 5903962, 11807924, 23615848, 105372887, 210745774, 421491548, 842983096, 2423576401, 4847152802, 9694305604, 19388611208]

約数ペア:

[(1, 19388611208), (2, 9694305604), (4, 4847152802), (8, 2423576401), (23, 842983096), (46, 421491548), (92, 210745774), (184, 105372887), (821, 23615848), (1642, 11807924), (3284, 5903962), (6568, 2951981), (18883, 1026776), (37766, 513388), (75532, 256694), (128347, 151064)]