18805077

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 29104920

約数和(自身を除く): 10299843

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1381, 1513, 4143, 4539, 12429, 13617, 23477, 70431, 122909, 211293, 368727, 1106181, 2089453, 6268359, 18805077]

約数ペア:

[(1, 18805077), (3, 6268359), (9, 2089453), (17, 1106181), (51, 368727), (89, 211293), (153, 122909), (267, 70431), (801, 23477), (1381, 13617), (1513, 12429), (4143, 4539)]