18125978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1838

約数の個数: 32

約数和(自身を含む): 32368896

約数和(自身を除く): 14242918

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 1783, 3566, 5083, 10166, 23179, 30311, 41009, 46358, 60622, 82018, 394043, 533117, 697153, 788086, 1066234, 1394306, 9062989, 18125978]

約数ペア:

[(1, 18125978), (2, 9062989), (13, 1394306), (17, 1066234), (23, 788086), (26, 697153), (34, 533117), (46, 394043), (221, 82018), (299, 60622), (391, 46358), (442, 41009), (598, 30311), (782, 23179), (1783, 10166), (3566, 5083)]