19713705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 34674048

約数和(自身を除く): 14960343

約数列:

[1, 3, 5, 11, 15, 33, 55, 157, 165, 471, 761, 785, 1727, 2283, 2355, 3805, 5181, 8371, 8635, 11415, 25113, 25905, 41855, 119477, 125565, 358431, 597385, 1314247, 1792155, 3942741, 6571235, 19713705]

約数ペア:

[(1, 19713705), (3, 6571235), (5, 3942741), (11, 1792155), (15, 1314247), (33, 597385), (55, 358431), (157, 125565), (165, 119477), (471, 41855), (761, 25905), (785, 25113), (1727, 11415), (2283, 8635), (2355, 8371), (3805, 5181)]