209542716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{306349}}^1$

素因数の和:306378

約数の個数: 36

約数和(自身を含む): 557557000

約数和(自身を除く): 348014284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 306349, 612698, 919047, 1225396, 1838094, 2757141, 3676188, 5514282, 5820631, 11028564, 11641262, 17461893, 23282524, 34923786, 52385679, 69847572, 104771358, 209542716]

約数ペア:

[(1, 209542716), (2, 104771358), (3, 69847572), (4, 52385679), (6, 34923786), (9, 23282524), (12, 17461893), (18, 11641262), (19, 11028564), (36, 5820631), (38, 5514282), (57, 3676188), (76, 2757141), (114, 1838094), (171, 1225396), (228, 919047), (342, 612698), (684, 306349)]