2019253900

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{39671}}^1$

素因数の和:40194

約数の個数: 36

約数和(自身を含む): 4390500240

約数和(自身を除く): 2371246340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 2036, 2545, 5090, 10180, 12725, 25450, 39671, 50900, 79342, 158684, 198355, 396710, 793420, 991775, 1983550, 3967100, 20192539, 40385078, 80770156, 100962695, 201925390, 403850780, 504813475, 1009626950, 2019253900]

約数ペア:

[(1, 2019253900), (2, 1009626950), (4, 504813475), (5, 403850780), (10, 201925390), (20, 100962695), (25, 80770156), (50, 40385078), (100, 20192539), (509, 3967100), (1018, 1983550), (2036, 991775), (2545, 793420), (5090, 396710), (10180, 198355), (12725, 158684), (25450, 79342), (39671, 50900)]