19731645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25793}}^1$

素因数の和:25821

約数の個数: 24

約数和(自身を含む): 36214776

約数和(自身を除く): 16483131

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25793, 77379, 128965, 232137, 386895, 438481, 1160685, 1315443, 2192405, 3946329, 6577215, 19731645]

約数ペア:

[(1, 19731645), (3, 6577215), (5, 3946329), (9, 2192405), (15, 1315443), (17, 1160685), (45, 438481), (51, 386895), (85, 232137), (153, 128965), (255, 77379), (765, 25793)]