20171844008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{268043}}^1$

素因数の和:268481

約数の個数: 32

約数和(自身を含む): 39563294400

約数和(自身を除く): 19391450392

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 409, 818, 1636, 3272, 9407, 18814, 37628, 75256, 268043, 536086, 1072172, 2144344, 6164989, 12329978, 24659956, 49319912, 109629587, 219259174, 438518348, 877036696, 2521480501, 5042961002, 10085922004, 20171844008]

約数ペア:

[(1, 20171844008), (2, 10085922004), (4, 5042961002), (8, 2521480501), (23, 877036696), (46, 438518348), (92, 219259174), (184, 109629587), (409, 49319912), (818, 24659956), (1636, 12329978), (3272, 6164989), (9407, 2144344), (18814, 1072172), (37628, 536086), (75256, 268043)]