18936441

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 9368199

約数列:

[1, 3, 9, 47, 89, 141, 267, 423, 503, 801, 1509, 4183, 4527, 12549, 23641, 37647, 44767, 70923, 134301, 212769, 402903, 2104049, 6312147, 18936441]

約数ペア:

[(1, 18936441), (3, 6312147), (9, 2104049), (47, 402903), (89, 212769), (141, 134301), (267, 70923), (423, 44767), (503, 37647), (801, 23641), (1509, 12549), (4183, 4527)]