18902131

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 20712960

約数和(自身を除く): 1810829

約数列:

[1, 19, 47, 61, 347, 893, 1159, 2867, 6593, 16309, 21167, 54473, 309871, 402173, 994849, 18902131]

約数ペア:

[(1, 18902131), (19, 994849), (47, 402173), (61, 309871), (347, 54473), (893, 21167), (1159, 16309), (2867, 6593)]