18905428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6781}}^1$

素因数の和:6843

約数の個数: 24

約数和(自身を含む): 35890344

約数和(自身を除く): 16984916

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 6781, 13562, 27124, 115277, 230554, 278021, 461108, 556042, 1112084, 4726357, 9452714, 18905428]

約数ペア:

[(1, 18905428), (2, 9452714), (4, 4726357), (17, 1112084), (34, 556042), (41, 461108), (68, 278021), (82, 230554), (164, 115277), (697, 27124), (1394, 13562), (2788, 6781)]