18840175

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 24306480

約数和(自身を除く): 5466305

約数列:

[1, 5, 25, 53, 59, 241, 265, 295, 1205, 1325, 1475, 3127, 6025, 12773, 14219, 15635, 63865, 71095, 78175, 319325, 355475, 753607, 3768035, 18840175]

約数ペア:

[(1, 18840175), (5, 3768035), (25, 753607), (53, 355475), (59, 319325), (241, 78175), (265, 71095), (295, 63865), (1205, 15635), (1325, 14219), (1475, 12773), (3127, 6025)]