19908666

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7229}}^1$

素因数の和:7260

約数の個数: 40

約数和(自身を含む): 47240820

約数和(自身を除く): 27332154

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7229, 14458, 21687, 43374, 65061, 122893, 130122, 195183, 245786, 368679, 390366, 585549, 737358, 1106037, 1171098, 2212074, 3318111, 6636222, 9954333, 19908666]

約数ペア:

[(1, 19908666), (2, 9954333), (3, 6636222), (6, 3318111), (9, 2212074), (17, 1171098), (18, 1106037), (27, 737358), (34, 585549), (51, 390366), (54, 368679), (81, 245786), (102, 195183), (153, 130122), (162, 122893), (306, 65061), (459, 43374), (918, 21687), (1377, 14458), (2754, 7229)]