19181372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22186948

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 236, 238, 413, 476, 683, 826, 1003, 1366, 1652, 2006, 2732, 4012, 4781, 7021, 9562, 11611, 14042, 19124, 23222, 28084, 40297, 46444, 80594, 81277, 161188, 162554, 282079, 325108, 564158, 685049, 1128316, 1370098, 2740196, 4795343, 9590686, 19181372]

約数ペア:

[(1, 19181372), (2, 9590686), (4, 4795343), (7, 2740196), (14, 1370098), (17, 1128316), (28, 685049), (34, 564158), (59, 325108), (68, 282079), (118, 162554), (119, 161188), (236, 81277), (238, 80594), (413, 46444), (476, 40297), (683, 28084), (826, 23222), (1003, 19124), (1366, 14042), (1652, 11611), (2006, 9562), (2732, 7021), (4012, 4781)]