19428325

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 27960512

約数和(自身を除く): 8532187

約数列:

[1, 5, 7, 25, 35, 67, 175, 335, 469, 1657, 1675, 2345, 8285, 11599, 11725, 41425, 57995, 111019, 289975, 555095, 777133, 2775475, 3885665, 19428325]

約数ペア:

[(1, 19428325), (5, 3885665), (7, 2775475), (25, 777133), (35, 555095), (67, 289975), (175, 111019), (335, 57995), (469, 41425), (1657, 11725), (1675, 11599), (2345, 8285)]