18653013

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 27835808

約数和(自身を除く): 9182795

約数列:

[1, 3, 9, 43, 129, 157, 307, 387, 471, 921, 1413, 2763, 6751, 13201, 20253, 39603, 48199, 60759, 118809, 144597, 433791, 2072557, 6217671, 18653013]

約数ペア:

[(1, 18653013), (3, 6217671), (9, 2072557), (43, 433791), (129, 144597), (157, 118809), (307, 60759), (387, 48199), (471, 39603), (921, 20253), (1413, 13201), (2763, 6751)]