19612395

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 38983680

約数和(自身を除く): 19371285

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 47, 55, 99, 135, 141, 165, 235, 281, 297, 423, 495, 517, 705, 843, 1269, 1405, 1485, 1551, 2115, 2529, 2585, 3091, 4215, 4653, 6345, 7587, 7755, 9273, 12645, 13207, 13959, 15455, 23265, 27819, 37935, 39621, 46365, 66035, 69795, 83457, 118863, 139095, 145277, 198105, 356589, 417285, 435831, 594315, 726385, 1307493, 1782945, 2179155, 3922479, 6537465, 19612395]

約数ペア:

[(1, 19612395), (3, 6537465), (5, 3922479), (9, 2179155), (11, 1782945), (15, 1307493), (27, 726385), (33, 594315), (45, 435831), (47, 417285), (55, 356589), (99, 198105), (135, 145277), (141, 139095), (165, 118863), (235, 83457), (281, 69795), (297, 66035), (423, 46365), (495, 39621), (517, 37935), (705, 27819), (843, 23265), (1269, 15455), (1405, 13959), (1485, 13207), (1551, 12645), (2115, 9273), (2529, 7755), (2585, 7587), (3091, 6345), (4215, 4653)]