19838175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1303}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 38807040

約数和(自身を除く): 18968865

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 435, 525, 609, 725, 1015, 1303, 2175, 3045, 3909, 5075, 6515, 9121, 15225, 19545, 27363, 32575, 37787, 45605, 97725, 113361, 136815, 188935, 228025, 264509, 566805, 684075, 793527, 944675, 1322545, 2834025, 3967635, 6612725, 19838175]

約数ペア:

[(1, 19838175), (3, 6612725), (5, 3967635), (7, 2834025), (15, 1322545), (21, 944675), (25, 793527), (29, 684075), (35, 566805), (75, 264509), (87, 228025), (105, 188935), (145, 136815), (175, 113361), (203, 97725), (435, 45605), (525, 37787), (609, 32575), (725, 27363), (1015, 19545), (1303, 15225), (2175, 9121), (3045, 6515), (3909, 5075)]