18490325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 28331520

約数和(自身を除く): 9841195

約数列:

[1, 5, 7, 19, 25, 35, 67, 83, 95, 133, 175, 335, 415, 469, 475, 581, 665, 1273, 1577, 1675, 2075, 2345, 2905, 3325, 5561, 6365, 7885, 8911, 11039, 11725, 14525, 27805, 31825, 38927, 39425, 44555, 55195, 105659, 139025, 194635, 222775, 275975, 528295, 739613, 973175, 2641475, 3698065, 18490325]

約数ペア:

[(1, 18490325), (5, 3698065), (7, 2641475), (19, 973175), (25, 739613), (35, 528295), (67, 275975), (83, 222775), (95, 194635), (133, 139025), (175, 105659), (335, 55195), (415, 44555), (469, 39425), (475, 38927), (581, 31825), (665, 27805), (1273, 14525), (1577, 11725), (1675, 11039), (2075, 8911), (2345, 7885), (2905, 6365), (3325, 5561)]