15505900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8161}}^1$

素因数の和:8194

約数の個数: 36

約数和(自身を含む): 35423080

約数和(自身を除く): 19917180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 8161, 16322, 32644, 40805, 81610, 155059, 163220, 204025, 310118, 408050, 620236, 775295, 816100, 1550590, 3101180, 3876475, 7752950, 15505900]

約数ペア:

[(1, 15505900), (2, 7752950), (4, 3876475), (5, 3101180), (10, 1550590), (19, 816100), (20, 775295), (25, 620236), (38, 408050), (50, 310118), (76, 204025), (95, 163220), (100, 155059), (190, 81610), (380, 40805), (475, 32644), (950, 16322), (1900, 8161)]