19932075

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 39403728

約数和(自身を除く): 19471653

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 193, 225, 243, 255, 405, 425, 459, 579, 675, 765, 965, 1215, 1275, 1377, 1737, 2025, 2295, 2895, 3281, 3825, 4131, 4825, 5211, 6075, 6885, 8685, 9843, 11475, 14475, 15633, 16405, 20655, 26055, 29529, 34425, 43425, 46899, 49215, 78165, 82025, 88587, 103275, 130275, 147645, 234495, 246075, 265761, 390825, 442935, 738225, 797283, 1172475, 1328805, 2214675, 3986415, 6644025, 19932075]

約数ペア:

[(1, 19932075), (3, 6644025), (5, 3986415), (9, 2214675), (15, 1328805), (17, 1172475), (25, 797283), (27, 738225), (45, 442935), (51, 390825), (75, 265761), (81, 246075), (85, 234495), (135, 147645), (153, 130275), (193, 103275), (225, 88587), (243, 82025), (255, 78165), (405, 49215), (425, 46899), (459, 43425), (579, 34425), (675, 29529), (765, 26055), (965, 20655), (1215, 16405), (1275, 15633), (1377, 14475), (1737, 11475), (2025, 9843), (2295, 8685), (2895, 6885), (3281, 6075), (3825, 5211), (4131, 4825)]