19519100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4153}}^1$

素因数の和:4214

約数の個数: 36

約数和(自身を含む): 43268064

約数和(自身を除く): 23748964

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4153, 4700, 8306, 16612, 20765, 41530, 83060, 103825, 195191, 207650, 390382, 415300, 780764, 975955, 1951910, 3903820, 4879775, 9759550, 19519100]

約数ペア:

[(1, 19519100), (2, 9759550), (4, 4879775), (5, 3903820), (10, 1951910), (20, 975955), (25, 780764), (47, 415300), (50, 390382), (94, 207650), (100, 195191), (188, 103825), (235, 83060), (470, 41530), (940, 20765), (1175, 16612), (2350, 8306), (4153, 4700)]