18936775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5297}}^1$

素因数の和:5331

約数の個数: 24

約数和(自身を含む): 27591984

約数和(自身を除く): 8655209

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5297, 26485, 58267, 68861, 132425, 291335, 344305, 757471, 1456675, 1721525, 3787355, 18936775]

約数ペア:

[(1, 18936775), (5, 3787355), (11, 1721525), (13, 1456675), (25, 757471), (55, 344305), (65, 291335), (143, 132425), (275, 68861), (325, 58267), (715, 26485), (3575, 5297)]