19635550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 48

約数和(自身を含む): 41961600

約数和(自身を除く): 22326050

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1879, 2090, 3758, 5225, 9395, 10450, 18790, 20669, 35701, 41338, 46975, 71402, 93950, 103345, 178505, 206690, 357010, 392711, 516725, 785422, 892525, 1033450, 1785050, 1963555, 3927110, 9817775, 19635550]

約数ペア:

[(1, 19635550), (2, 9817775), (5, 3927110), (10, 1963555), (11, 1785050), (19, 1033450), (22, 892525), (25, 785422), (38, 516725), (50, 392711), (55, 357010), (95, 206690), (110, 178505), (190, 103345), (209, 93950), (275, 71402), (418, 46975), (475, 41338), (550, 35701), (950, 20669), (1045, 18790), (1879, 10450), (2090, 9395), (3758, 5225)]